Home / 749,073.72-1,033,721.58-409,541.88

Finding the Fourth Proportional to 749,073.72, 1,033,721.58 and 409,541.88

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Solution

The fourth proportional to 749,073.72, 1,033,721.58 and 409,541.88 is: 565,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,073.72 : 1,033,721.58 = 409,541.88 : x
  2. Step 2: Convert to fraction form
    749,073.72/1,033,721.58 = 409,541.88/x
  3. Step 3: Cross multiply
    749,073.72x = 1,033,721.58 × 409,541.88
  4. Step 4: Simplify right side
    749,073.72x = 423,352,279,269.77
  5. Step 5: Solve for x
    x = 423,352,279,269.77/749,073.72
  6. Step 6: Final answer
    x = 565,167.71

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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.