Home / 747,601.35-1,031,653.57-408,049.35

Finding the Fourth Proportional to 747,601.35, 1,031,653.57 and 408,049.35

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Solution

The fourth proportional to 747,601.35, 1,031,653.57 and 408,049.35 is: 563,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,601.35 : 1,031,653.57 = 408,049.35 : x
  2. Step 2: Convert to fraction form
    747,601.35/1,031,653.57 = 408,049.35/x
  3. Step 3: Cross multiply
    747,601.35x = 1,031,653.57 × 408,049.35
  4. Step 4: Simplify right side
    747,601.35x = 420,965,568,663.68
  5. Step 5: Solve for x
    x = 420,965,568,663.68/747,601.35
  6. Step 6: Final answer
    x = 563,088.29

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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.