Home / 711,637.70-1,067,456.55-291,215.30

Finding the Fourth Proportional to 711,637.70, 1,067,456.55 and 291,215.30

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Solution

The fourth proportional to 711,637.70, 1,067,456.55 and 291,215.30 is: 436,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,637.70 : 1,067,456.55 = 291,215.30 : x
  2. Step 2: Convert to fraction form
    711,637.70/1,067,456.55 = 291,215.30/x
  3. Step 3: Cross multiply
    711,637.70x = 1,067,456.55 × 291,215.30
  4. Step 4: Simplify right side
    711,637.70x = 310,859,679,445.22
  5. Step 5: Solve for x
    x = 310,859,679,445.22/711,637.70
  6. Step 6: Final answer
    x = 436,822.95

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Double scale
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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.