Home / 724,429.70-1,086,790.35-251,017.10

Finding the Fourth Proportional to 724,429.70, 1,086,790.35 and 251,017.10

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Solution

The fourth proportional to 724,429.70, 1,086,790.35 and 251,017.10 is: 376,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,429.70 : 1,086,790.35 = 251,017.10 : x
  2. Step 2: Convert to fraction form
    724,429.70/1,086,790.35 = 251,017.10/x
  3. Step 3: Cross multiply
    724,429.70x = 1,086,790.35 × 251,017.10
  4. Step 4: Simplify right side
    724,429.70x = 272,802,961,964.99
  5. Step 5: Solve for x
    x = 272,802,961,964.99/724,429.70
  6. Step 6: Final answer
    x = 376,576.17

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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.