Home / 970,111.20-1,455,166.80-305,263.20

Finding the Fourth Proportional to 970,111.20, 1,455,166.80 and 305,263.20

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Solution

The fourth proportional to 970,111.20, 1,455,166.80 and 305,263.20 is: 457,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,111.20 : 1,455,166.80 = 305,263.20 : x
  2. Step 2: Convert to fraction form
    970,111.20/1,455,166.80 = 305,263.20/x
  3. Step 3: Cross multiply
    970,111.20x = 1,455,166.80 × 305,263.20
  4. Step 4: Simplify right side
    970,111.20x = 444,208,873,901.76
  5. Step 5: Solve for x
    x = 444,208,873,901.76/970,111.20
  6. Step 6: Final answer
    x = 457,894.80

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.