Home / 537,138.80-804,833.40-395,421.20

Finding the Fourth Proportional to 537,138.80, 804,833.40 and 395,421.20

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Solution

The fourth proportional to 537,138.80, 804,833.40 and 395,421.20 is: 592,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,138.80 : 804,833.40 = 395,421.20 : x
  2. Step 2: Convert to fraction form
    537,138.80/804,833.40 = 395,421.20/x
  3. Step 3: Cross multiply
    537,138.80x = 804,833.40 × 395,421.20
  4. Step 4: Simplify right side
    537,138.80x = 318,248,188,828.08
  5. Step 5: Solve for x
    x = 318,248,188,828.08/537,138.80
  6. Step 6: Final answer
    x = 592,487.81

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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.