Home / 817,342.24-1,224,419.28-461,279.20

Finding the Fourth Proportional to 817,342.24, 1,224,419.28 and 461,279.20

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Solution

The fourth proportional to 817,342.24, 1,224,419.28 and 461,279.20 is: 691,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,342.24 : 1,224,419.28 = 461,279.20 : x
  2. Step 2: Convert to fraction form
    817,342.24/1,224,419.28 = 461,279.20/x
  3. Step 3: Cross multiply
    817,342.24x = 1,224,419.28 × 461,279.20
  4. Step 4: Simplify right side
    817,342.24x = 564,799,145,942.98
  5. Step 5: Solve for x
    x = 564,799,145,942.98/817,342.24
  6. Step 6: Final answer
    x = 691,019.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.