Home / 713,250.10-1,069,875.15-319,266.10

Finding the Fourth Proportional to 713,250.10, 1,069,875.15 and 319,266.10

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Solution

The fourth proportional to 713,250.10, 1,069,875.15 and 319,266.10 is: 478,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,250.10 : 1,069,875.15 = 319,266.10 : x
  2. Step 2: Convert to fraction form
    713,250.10/1,069,875.15 = 319,266.10/x
  3. Step 3: Cross multiply
    713,250.10x = 1,069,875.15 × 319,266.10
  4. Step 4: Simplify right side
    713,250.10x = 341,574,866,627.42
  5. Step 5: Solve for x
    x = 341,574,866,627.42/713,250.10
  6. Step 6: Final answer
    x = 478,899.15

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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.