Home / 751,915.60-1,127,422.92-239,359.30

Finding the Fourth Proportional to 751,915.60, 1,127,422.92 and 239,359.30

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Solution

The fourth proportional to 751,915.60, 1,127,422.92 and 239,359.30 is: 358,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,915.60 : 1,127,422.92 = 239,359.30 : x
  2. Step 2: Convert to fraction form
    751,915.60/1,127,422.92 = 239,359.30/x
  3. Step 3: Cross multiply
    751,915.60x = 1,127,422.92 × 239,359.30
  4. Step 4: Simplify right side
    751,915.60x = 269,859,160,935.16
  5. Step 5: Solve for x
    x = 269,859,160,935.16/751,915.60
  6. Step 6: Final answer
    x = 358,895.55

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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.