Home / 924,849.90-1,387,255.41-426,213.90

Finding the Fourth Proportional to 924,849.90, 1,387,255.41 and 426,213.90

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Solution

The fourth proportional to 924,849.90, 1,387,255.41 and 426,213.90 is: 639,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,849.90 : 1,387,255.41 = 426,213.90 : x
  2. Step 2: Convert to fraction form
    924,849.90/1,387,255.41 = 426,213.90/x
  3. Step 3: Cross multiply
    924,849.90x = 1,387,255.41 × 426,213.90
  4. Step 4: Simplify right side
    924,849.90x = 591,267,538,592.20
  5. Step 5: Solve for x
    x = 591,267,538,592.20/924,849.90
  6. Step 6: Final answer
    x = 639,311.89

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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.