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Finding the Fourth Proportional to 539,601.40, 810,114.90 and 433,044.28

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Solution

The fourth proportional to 539,601.40, 810,114.90 and 433,044.28 is: 650,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,601.40 : 810,114.90 = 433,044.28 : x
  2. Step 2: Convert to fraction form
    539,601.40/810,114.90 = 433,044.28/x
  3. Step 3: Cross multiply
    539,601.40x = 810,114.90 × 433,044.28
  4. Step 4: Simplify right side
    539,601.40x = 350,815,623,587.77
  5. Step 5: Solve for x
    x = 350,815,623,587.77/539,601.40
  6. Step 6: Final answer
    x = 650,138.46

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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.