Home / 749,071.76-1,033,719.02-409,540

Finding the Fourth Proportional to 749,071.76, 1,033,719.02 and 409,540

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Solution

The fourth proportional to 749,071.76, 1,033,719.02 and 409,540 is: 565,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,071.76 : 1,033,719.02 = 409,540 : x
  2. Step 2: Convert to fraction form
    749,071.76/1,033,719.02 = 409,540/x
  3. Step 3: Cross multiply
    749,071.76x = 1,033,719.02 × 409,540
  4. Step 4: Simplify right side
    749,071.76x = 423,349,287,450.80
  5. Step 5: Solve for x
    x = 423,349,287,450.80/749,071.76
  6. Step 6: Final answer
    x = 565,165.20

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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.