Home / 838,021.71-1,156,594.48-493,747.58

Finding the Fourth Proportional to 838,021.71, 1,156,594.48 and 493,747.58

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Solution

The fourth proportional to 838,021.71, 1,156,594.48 and 493,747.58 is: 681,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,021.71 : 1,156,594.48 = 493,747.58 : x
  2. Step 2: Convert to fraction form
    838,021.71/1,156,594.48 = 493,747.58/x
  3. Step 3: Cross multiply
    838,021.71x = 1,156,594.48 × 493,747.58
  4. Step 4: Simplify right side
    838,021.71x = 571,065,727,198.48
  5. Step 5: Solve for x
    x = 571,065,727,198.48/838,021.71
  6. Step 6: Final answer
    x = 681,445.02

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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.