Home / 434,177.31-650,478.61-424,729.47

Finding the Fourth Proportional to 434,177.31, 650,478.61 and 424,729.47

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Solution

The fourth proportional to 434,177.31, 650,478.61 and 424,729.47 is: 636,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,177.31 : 650,478.61 = 424,729.47 : x
  2. Step 2: Convert to fraction form
    434,177.31/650,478.61 = 424,729.47/x
  3. Step 3: Cross multiply
    434,177.31x = 650,478.61 × 424,729.47
  4. Step 4: Simplify right side
    434,177.31x = 276,277,430,957.42
  5. Step 5: Solve for x
    x = 276,277,430,957.42/434,177.31
  6. Step 6: Final answer
    x = 636,323.98

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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.