Home / 723,616.52-998,652.07-401,430.38

Finding the Fourth Proportional to 723,616.52, 998,652.07 and 401,430.38

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Solution

The fourth proportional to 723,616.52, 998,652.07 and 401,430.38 is: 554,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,616.52 : 998,652.07 = 401,430.38 : x
  2. Step 2: Convert to fraction form
    723,616.52/998,652.07 = 401,430.38/x
  3. Step 3: Cross multiply
    723,616.52x = 998,652.07 × 401,430.38
  4. Step 4: Simplify right side
    723,616.52x = 400,889,275,456.41
  5. Step 5: Solve for x
    x = 400,889,275,456.41/723,616.52
  6. Step 6: Final answer
    x = 554,007.91

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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.