Home / 435,136.20-651,926.70-372,928.20

Finding the Fourth Proportional to 435,136.20, 651,926.70 and 372,928.20

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Solution

The fourth proportional to 435,136.20, 651,926.70 and 372,928.20 is: 558,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,136.20 : 651,926.70 = 372,928.20 : x
  2. Step 2: Convert to fraction form
    435,136.20/651,926.70 = 372,928.20/x
  3. Step 3: Cross multiply
    435,136.20x = 651,926.70 × 372,928.20
  4. Step 4: Simplify right side
    435,136.20x = 243,121,850,762.94
  5. Step 5: Solve for x
    x = 243,121,850,762.94/435,136.20
  6. Step 6: Final answer
    x = 558,725.87

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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.