Home / 748,393.25-1,122,077.47-268,610.40

Finding the Fourth Proportional to 748,393.25, 1,122,077.47 and 268,610.40

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Solution

The fourth proportional to 748,393.25, 1,122,077.47 and 268,610.40 is: 402,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,393.25 : 1,122,077.47 = 268,610.40 : x
  2. Step 2: Convert to fraction form
    748,393.25/1,122,077.47 = 268,610.40/x
  3. Step 3: Cross multiply
    748,393.25x = 1,122,077.47 × 268,610.40
  4. Step 4: Simplify right side
    748,393.25x = 301,401,678,047.69
  5. Step 5: Solve for x
    x = 301,401,678,047.69/748,393.25
  6. Step 6: Final answer
    x = 402,731.69

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Double scale
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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.