Home / 745,801.53-1,118,864.29-272,486.13

Finding the Fourth Proportional to 745,801.53, 1,118,864.29 and 272,486.13

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Solution

The fourth proportional to 745,801.53, 1,118,864.29 and 272,486.13 is: 408,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,801.53 : 1,118,864.29 = 272,486.13 : x
  2. Step 2: Convert to fraction form
    745,801.53/1,118,864.29 = 272,486.13/x
  3. Step 3: Cross multiply
    745,801.53x = 1,118,864.29 × 272,486.13
  4. Step 4: Simplify right side
    745,801.53x = 304,875,000,377.30
  5. Step 5: Solve for x
    x = 304,875,000,377.30/745,801.53
  6. Step 6: Final answer
    x = 408,788.38

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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.