Home / 434,337.20-651,505.80-372,129.20

Finding the Fourth Proportional to 434,337.20, 651,505.80 and 372,129.20

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Solution

The fourth proportional to 434,337.20, 651,505.80 and 372,129.20 is: 558,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,337.20 : 651,505.80 = 372,129.20 : x
  2. Step 2: Convert to fraction form
    434,337.20/651,505.80 = 372,129.20/x
  3. Step 3: Cross multiply
    434,337.20x = 651,505.80 × 372,129.20
  4. Step 4: Simplify right side
    434,337.20x = 242,444,332,149.36
  5. Step 5: Solve for x
    x = 242,444,332,149.36/434,337.20
  6. Step 6: Final answer
    x = 558,193.80

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1.5x scale

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.