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Finding the Fourth Proportional to 539,418.40, 810,002.40 and 362,708.80

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Solution

The fourth proportional to 539,418.40, 810,002.40 and 362,708.80 is: 544,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,418.40 : 810,002.40 = 362,708.80 : x
  2. Step 2: Convert to fraction form
    539,418.40/810,002.40 = 362,708.80/x
  3. Step 3: Cross multiply
    539,418.40x = 810,002.40 × 362,708.80
  4. Step 4: Simplify right side
    539,418.40x = 293,794,998,501.12
  5. Step 5: Solve for x
    x = 293,794,998,501.12/539,418.40
  6. Step 6: Final answer
    x = 544,651.42

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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.