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Finding the Fourth Proportional to 723,751.04, 998,757.12 and 417,817.06

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Solution

The fourth proportional to 723,751.04, 998,757.12 and 417,817.06 is: 576,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,751.04 : 998,757.12 = 417,817.06 : x
  2. Step 2: Convert to fraction form
    723,751.04/998,757.12 = 417,817.06/x
  3. Step 3: Cross multiply
    723,751.04x = 998,757.12 × 417,817.06
  4. Step 4: Simplify right side
    723,751.04x = 417,297,763,532.47
  5. Step 5: Solve for x
    x = 417,297,763,532.47/723,751.04
  6. Step 6: Final answer
    x = 576,576.39

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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.