Home / 723,400.56-998,304.75-401,124.24

Finding the Fourth Proportional to 723,400.56, 998,304.75 and 401,124.24

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Solution

The fourth proportional to 723,400.56, 998,304.75 and 401,124.24 is: 553,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,400.56 : 998,304.75 = 401,124.24 : x
  2. Step 2: Convert to fraction form
    723,400.56/998,304.75 = 401,124.24/x
  3. Step 3: Cross multiply
    723,400.56x = 998,304.75 × 401,124.24
  4. Step 4: Simplify right side
    723,400.56x = 400,444,234,132.14
  5. Step 5: Solve for x
    x = 400,444,234,132.14/723,400.56
  6. Step 6: Final answer
    x = 553,558.09

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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.