Home / 487,282.48-730,432.88-203,130.23

Finding the Fourth Proportional to 487,282.48, 730,432.88 and 203,130.23

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Solution

The fourth proportional to 487,282.48, 730,432.88 and 203,130.23 is: 304,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,282.48 : 730,432.88 = 203,130.23 : x
  2. Step 2: Convert to fraction form
    487,282.48/730,432.88 = 203,130.23/x
  3. Step 3: Cross multiply
    487,282.48x = 730,432.88 × 203,130.23
  4. Step 4: Simplify right side
    487,282.48x = 148,372,995,261.80
  5. Step 5: Solve for x
    x = 148,372,995,261.80/487,282.48
  6. Step 6: Final answer
    x = 304,490.73

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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.