Home / 838,294.92-1,154,643.26-644,331.71

Finding the Fourth Proportional to 838,294.92, 1,154,643.26 and 644,331.71

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Solution

The fourth proportional to 838,294.92, 1,154,643.26 and 644,331.71 is: 887,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,294.92 : 1,154,643.26 = 644,331.71 : x
  2. Step 2: Convert to fraction form
    838,294.92/1,154,643.26 = 644,331.71/x
  3. Step 3: Cross multiply
    838,294.92x = 1,154,643.26 × 644,331.71
  4. Step 4: Simplify right side
    838,294.92x = 743,973,265,820.72
  5. Step 5: Solve for x
    x = 743,973,265,820.72/838,294.92
  6. Step 6: Final answer
    x = 887,483.92

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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.