Home / 718,442.13-1,077,663.19-292,209.85

Finding the Fourth Proportional to 718,442.13, 1,077,663.19 and 292,209.85

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Solution

The fourth proportional to 718,442.13, 1,077,663.19 and 292,209.85 is: 438,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,442.13 : 1,077,663.19 = 292,209.85 : x
  2. Step 2: Convert to fraction form
    718,442.13/1,077,663.19 = 292,209.85/x
  3. Step 3: Cross multiply
    718,442.13x = 1,077,663.19 × 292,209.85
  4. Step 4: Simplify right side
    718,442.13x = 314,903,799,100.42
  5. Step 5: Solve for x
    x = 314,903,799,100.42/718,442.13
  6. Step 6: Final answer
    x = 438,314.77

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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.