Home / 679,760.29-938,049.01-373,836.25

Finding the Fourth Proportional to 679,760.29, 938,049.01 and 373,836.25

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Solution

The fourth proportional to 679,760.29, 938,049.01 and 373,836.25 is: 515,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,760.29 : 938,049.01 = 373,836.25 : x
  2. Step 2: Convert to fraction form
    679,760.29/938,049.01 = 373,836.25/x
  3. Step 3: Cross multiply
    679,760.29x = 938,049.01 × 373,836.25
  4. Step 4: Simplify right side
    679,760.29x = 350,676,724,214.61
  5. Step 5: Solve for x
    x = 350,676,724,214.61/679,760.29
  6. Step 6: Final answer
    x = 515,882.92

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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.