Home / 539,844.04-810,257.34-287,336.44

Finding the Fourth Proportional to 539,844.04, 810,257.34 and 287,336.44

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Solution

The fourth proportional to 539,844.04, 810,257.34 and 287,336.44 is: 431,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,844.04 : 810,257.34 = 287,336.44 : x
  2. Step 2: Convert to fraction form
    539,844.04/810,257.34 = 287,336.44/x
  3. Step 3: Cross multiply
    539,844.04x = 810,257.34 × 287,336.44
  4. Step 4: Simplify right side
    539,844.04x = 232,816,459,559.47
  5. Step 5: Solve for x
    x = 232,816,459,559.47/539,844.04
  6. Step 6: Final answer
    x = 431,266.15

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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.