Home / 537,190.80-804,911.40-395,473.20

Finding the Fourth Proportional to 537,190.80, 804,911.40 and 395,473.20

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Solution

The fourth proportional to 537,190.80, 804,911.40 and 395,473.20 is: 592,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,190.80 : 804,911.40 = 395,473.20 : x
  2. Step 2: Convert to fraction form
    537,190.80/804,911.40 = 395,473.20/x
  3. Step 3: Cross multiply
    537,190.80x = 804,911.40 × 395,473.20
  4. Step 4: Simplify right side
    537,190.80x = 318,320,887,074.48
  5. Step 5: Solve for x
    x = 318,320,887,074.48/537,190.80
  6. Step 6: Final answer
    x = 592,565.78

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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.