Home / 924,748.70-1,387,123.05-259,814.30

Finding the Fourth Proportional to 924,748.70, 1,387,123.05 and 259,814.30

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Solution

The fourth proportional to 924,748.70, 1,387,123.05 and 259,814.30 is: 389,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,748.70 : 1,387,123.05 = 259,814.30 : x
  2. Step 2: Convert to fraction form
    924,748.70/1,387,123.05 = 259,814.30/x
  3. Step 3: Cross multiply
    924,748.70x = 1,387,123.05 × 259,814.30
  4. Step 4: Simplify right side
    924,748.70x = 360,394,404,249.62
  5. Step 5: Solve for x
    x = 360,394,404,249.62/924,748.70
  6. Step 6: Final answer
    x = 389,721.45

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Double scale
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Similar ratio
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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.