Home / 711,819.72-982,244.34-481,909.32

Finding the Fourth Proportional to 711,819.72, 982,244.34 and 481,909.32

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Solution

The fourth proportional to 711,819.72, 982,244.34 and 481,909.32 is: 664,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,819.72 : 982,244.34 = 481,909.32 : x
  2. Step 2: Convert to fraction form
    711,819.72/982,244.34 = 481,909.32/x
  3. Step 3: Cross multiply
    711,819.72x = 982,244.34 × 481,909.32
  4. Step 4: Simplify right side
    711,819.72x = 473,352,701,963.25
  5. Step 5: Solve for x
    x = 473,352,701,963.25/711,819.72
  6. Step 6: Final answer
    x = 664,989.59

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Double scale
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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.