Home / 830,451.36-1,146,026.60-467,880.76

Finding the Fourth Proportional to 830,451.36, 1,146,026.60 and 467,880.76

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Solution

The fourth proportional to 830,451.36, 1,146,026.60 and 467,880.76 is: 645,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,451.36 : 1,146,026.60 = 467,880.76 : x
  2. Step 2: Convert to fraction form
    830,451.36/1,146,026.60 = 467,880.76/x
  3. Step 3: Cross multiply
    830,451.36x = 1,146,026.60 × 467,880.76
  4. Step 4: Simplify right side
    830,451.36x = 536,203,796,588.22
  5. Step 5: Solve for x
    x = 536,203,796,588.22/830,451.36
  6. Step 6: Final answer
    x = 645,677.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.