Home / 877,576.28-1,316,103.60-372,129.80

Finding the Fourth Proportional to 877,576.28, 1,316,103.60 and 372,129.80

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Solution

The fourth proportional to 877,576.28, 1,316,103.60 and 372,129.80 is: 558,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,576.28 : 1,316,103.60 = 372,129.80 : x
  2. Step 2: Convert to fraction form
    877,576.28/1,316,103.60 = 372,129.80/x
  3. Step 3: Cross multiply
    877,576.28x = 1,316,103.60 × 372,129.80
  4. Step 4: Simplify right side
    877,576.28x = 489,761,369,447.28
  5. Step 5: Solve for x
    x = 489,761,369,447.28/877,576.28
  6. Step 6: Final answer
    x = 558,084.10

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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.