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Finding the Fourth Proportional to 539,845.04, 810,258.84 and 287,337.44

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Solution

The fourth proportional to 539,845.04, 810,258.84 and 287,337.44 is: 431,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,845.04 : 810,258.84 = 287,337.44 : x
  2. Step 2: Convert to fraction form
    539,845.04/810,258.84 = 287,337.44/x
  3. Step 3: Cross multiply
    539,845.04x = 810,258.84 × 287,337.44
  4. Step 4: Simplify right side
    539,845.04x = 232,817,700,822.97
  5. Step 5: Solve for x
    x = 232,817,700,822.97/539,845.04
  6. Step 6: Final answer
    x = 431,267.65

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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.