Home / 745,717.32-1,118,740.68-272,401.92

Finding the Fourth Proportional to 745,717.32, 1,118,740.68 and 272,401.92

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Solution

The fourth proportional to 745,717.32, 1,118,740.68 and 272,401.92 is: 408,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,717.32 : 1,118,740.68 = 272,401.92 : x
  2. Step 2: Convert to fraction form
    745,717.32/1,118,740.68 = 272,401.92/x
  3. Step 3: Cross multiply
    745,717.32x = 1,118,740.68 × 272,401.92
  4. Step 4: Simplify right side
    745,717.32x = 304,747,109,214.11
  5. Step 5: Solve for x
    x = 304,747,109,214.11/745,717.32
  6. Step 6: Final answer
    x = 408,663.04

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1.5x scale

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.