Home / 672,235.20-1,007,402.40-372,847.68

Finding the Fourth Proportional to 672,235.20, 1,007,402.40 and 372,847.68

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Solution

The fourth proportional to 672,235.20, 1,007,402.40 and 372,847.68 is: 558,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,235.20 : 1,007,402.40 = 372,847.68 : x
  2. Step 2: Convert to fraction form
    672,235.20/1,007,402.40 = 372,847.68/x
  3. Step 3: Cross multiply
    672,235.20x = 1,007,402.40 × 372,847.68
  4. Step 4: Simplify right side
    672,235.20x = 375,607,647,666.43
  5. Step 5: Solve for x
    x = 375,607,647,666.43/672,235.20
  6. Step 6: Final answer
    x = 558,744.39

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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.