Home / 724,048.82-999,194.24-401,788.91

Finding the Fourth Proportional to 724,048.82, 999,194.24 and 401,788.91

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Solution

The fourth proportional to 724,048.82, 999,194.24 and 401,788.91 is: 554,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,048.82 : 999,194.24 = 401,788.91 : x
  2. Step 2: Convert to fraction form
    724,048.82/999,194.24 = 401,788.91/x
  3. Step 3: Cross multiply
    724,048.82x = 999,194.24 × 401,788.91
  4. Step 4: Simplify right side
    724,048.82x = 401,465,160,576.38
  5. Step 5: Solve for x
    x = 401,465,160,576.38/724,048.82
  6. Step 6: Final answer
    x = 554,472.51

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.