Home / 1,032.76-1,425.20-607.30

Finding the Fourth Proportional to 1,032.76, 1,425.20 and 607.30

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Solution

The fourth proportional to 1,032.76, 1,425.20 and 607.30 is: 838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.76 : 1,425.20 = 607.30 : x
  2. Step 2: Convert to fraction form
    1,032.76/1,425.20 = 607.30/x
  3. Step 3: Cross multiply
    1,032.76x = 1,425.20 × 607.30
  4. Step 4: Simplify right side
    1,032.76x = 865,523.96
  5. Step 5: Solve for x
    x = 865,523.96/1,032.76
  6. Step 6: Final answer
    x = 838.07

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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.