Home / 497,620.20-745,847.10-372,815.40

Finding the Fourth Proportional to 497,620.20, 745,847.10 and 372,815.40

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Solution

The fourth proportional to 497,620.20, 745,847.10 and 372,815.40 is: 558,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,620.20 : 745,847.10 = 372,815.40 : x
  2. Step 2: Convert to fraction form
    497,620.20/745,847.10 = 372,815.40/x
  3. Step 3: Cross multiply
    497,620.20x = 745,847.10 × 372,815.40
  4. Step 4: Simplify right side
    497,620.20x = 278,063,284,925.34
  5. Step 5: Solve for x
    x = 278,063,284,925.34/497,620.20
  6. Step 6: Final answer
    x = 558,786.17

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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.