Home / 727,085.16-1,003,354.29-404,778.87

Finding the Fourth Proportional to 727,085.16, 1,003,354.29 and 404,778.87

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Solution

The fourth proportional to 727,085.16, 1,003,354.29 and 404,778.87 is: 558,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,085.16 : 1,003,354.29 = 404,778.87 : x
  2. Step 2: Convert to fraction form
    727,085.16/1,003,354.29 = 404,778.87/x
  3. Step 3: Cross multiply
    727,085.16x = 1,003,354.29 × 404,778.87
  4. Step 4: Simplify right side
    727,085.16x = 406,136,615,715.85
  5. Step 5: Solve for x
    x = 406,136,615,715.85/727,085.16
  6. Step 6: Final answer
    x = 558,581.91

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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.