Home / 832,812.30-1,149,284.57-450,839.07

Finding the Fourth Proportional to 832,812.30, 1,149,284.57 and 450,839.07

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Solution

The fourth proportional to 832,812.30, 1,149,284.57 and 450,839.07 is: 622,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,812.30 : 1,149,284.57 = 450,839.07 : x
  2. Step 2: Convert to fraction form
    832,812.30/1,149,284.57 = 450,839.07/x
  3. Step 3: Cross multiply
    832,812.30x = 1,149,284.57 × 450,839.07
  4. Step 4: Simplify right side
    832,812.30x = 518,142,384,449.96
  5. Step 5: Solve for x
    x = 518,142,384,449.96/832,812.30
  6. Step 6: Final answer
    x = 622,159.86

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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.