Home / 756,432-1,134,842.40-283,124.16

Finding the Fourth Proportional to 756,432, 1,134,842.40 and 283,124.16

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Solution

The fourth proportional to 756,432, 1,134,842.40 and 283,124.16 is: 424,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,432 : 1,134,842.40 = 283,124.16 : x
  2. Step 2: Convert to fraction form
    756,432/1,134,842.40 = 283,124.16/x
  3. Step 3: Cross multiply
    756,432x = 1,134,842.40 × 283,124.16
  4. Step 4: Simplify right side
    756,432x = 321,301,301,232.38
  5. Step 5: Solve for x
    x = 321,301,301,232.38/756,432
  6. Step 6: Final answer
    x = 424,759.00

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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.