Home / 748,834.20-1,033,389.36-409,304.88

Finding the Fourth Proportional to 748,834.20, 1,033,389.36 and 409,304.88

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Solution

The fourth proportional to 748,834.20, 1,033,389.36 and 409,304.88 is: 564,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,834.20 : 1,033,389.36 = 409,304.88 : x
  2. Step 2: Convert to fraction form
    748,834.20/1,033,389.36 = 409,304.88/x
  3. Step 3: Cross multiply
    748,834.20x = 1,033,389.36 × 409,304.88
  4. Step 4: Simplify right side
    748,834.20x = 422,971,307,988.08
  5. Step 5: Solve for x
    x = 422,971,307,988.08/748,834.20
  6. Step 6: Final answer
    x = 564,839.73

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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.