Home / 500,335.20-690,468.16-270,897.44

Finding the Fourth Proportional to 500,335.20, 690,468.16 and 270,897.44

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Solution

The fourth proportional to 500,335.20, 690,468.16 and 270,897.44 is: 373,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,335.20 : 690,468.16 = 270,897.44 : x
  2. Step 2: Convert to fraction form
    500,335.20/690,468.16 = 270,897.44/x
  3. Step 3: Cross multiply
    500,335.20x = 690,468.16 × 270,897.44
  4. Step 4: Simplify right side
    500,335.20x = 187,046,056,945.51
  5. Step 5: Solve for x
    x = 187,046,056,945.51/500,335.20
  6. Step 6: Final answer
    x = 373,841.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.