Home / 830,368.92-1,145,672.02-467,665.90

Finding the Fourth Proportional to 830,368.92, 1,145,672.02 and 467,665.90

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Solution

The fourth proportional to 830,368.92, 1,145,672.02 and 467,665.90 is: 645,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,368.92 : 1,145,672.02 = 467,665.90 : x
  2. Step 2: Convert to fraction form
    830,368.92/1,145,672.02 = 467,665.90/x
  3. Step 3: Cross multiply
    830,368.92x = 1,145,672.02 × 467,665.90
  4. Step 4: Simplify right side
    830,368.92x = 535,791,736,338.12
  5. Step 5: Solve for x
    x = 535,791,736,338.12/830,368.92
  6. Step 6: Final answer
    x = 645,245.41

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Double scale
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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.