Home / 872,714.28-1,306,971.90-497,600.04

Finding the Fourth Proportional to 872,714.28, 1,306,971.90 and 497,600.04

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Solution

The fourth proportional to 872,714.28, 1,306,971.90 and 497,600.04 is: 745,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,714.28 : 1,306,971.90 = 497,600.04 : x
  2. Step 2: Convert to fraction form
    872,714.28/1,306,971.90 = 497,600.04/x
  3. Step 3: Cross multiply
    872,714.28x = 1,306,971.90 × 497,600.04
  4. Step 4: Simplify right side
    872,714.28x = 650,349,269,718.88
  5. Step 5: Solve for x
    x = 650,349,269,718.88/872,714.28
  6. Step 6: Final answer
    x = 745,202.97

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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.