Home / 976,822.30-1,465,233.45-445,381.30

Finding the Fourth Proportional to 976,822.30, 1,465,233.45 and 445,381.30

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Solution

The fourth proportional to 976,822.30, 1,465,233.45 and 445,381.30 is: 668,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,822.30 : 1,465,233.45 = 445,381.30 : x
  2. Step 2: Convert to fraction form
    976,822.30/1,465,233.45 = 445,381.30/x
  3. Step 3: Cross multiply
    976,822.30x = 1,465,233.45 × 445,381.30
  4. Step 4: Simplify right side
    976,822.30x = 652,587,578,764.49
  5. Step 5: Solve for x
    x = 652,587,578,764.49/976,822.30
  6. Step 6: Final answer
    x = 668,071.95

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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.