Home / 745,799.40-1,118,861.10-272,484

Finding the Fourth Proportional to 745,799.40, 1,118,861.10 and 272,484

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Solution

The fourth proportional to 745,799.40, 1,118,861.10 and 272,484 is: 408,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,799.40 : 1,118,861.10 = 272,484 : x
  2. Step 2: Convert to fraction form
    745,799.40/1,118,861.10 = 272,484/x
  3. Step 3: Cross multiply
    745,799.40x = 1,118,861.10 × 272,484
  4. Step 4: Simplify right side
    745,799.40x = 304,871,747,972.40
  5. Step 5: Solve for x
    x = 304,871,747,972.40/745,799.40
  6. Step 6: Final answer
    x = 408,785.19

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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.