Home / 748,326.38-1,122,499.28-249,690.38

Finding the Fourth Proportional to 748,326.38, 1,122,499.28 and 249,690.38

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Solution

The fourth proportional to 748,326.38, 1,122,499.28 and 249,690.38 is: 374,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,326.38 : 1,122,499.28 = 249,690.38 : x
  2. Step 2: Convert to fraction form
    748,326.38/1,122,499.28 = 249,690.38/x
  3. Step 3: Cross multiply
    748,326.38x = 1,122,499.28 × 249,690.38
  4. Step 4: Simplify right side
    748,326.38x = 280,277,266,784.66
  5. Step 5: Solve for x
    x = 280,277,266,784.66/748,326.38
  6. Step 6: Final answer
    x = 374,538.81

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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.