Home / 748,833.57-1,033,390.87-409,301.82

Finding the Fourth Proportional to 748,833.57, 1,033,390.87 and 409,301.82

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Solution

The fourth proportional to 748,833.57, 1,033,390.87 and 409,301.82 is: 564,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,833.57 : 1,033,390.87 = 409,301.82 : x
  2. Step 2: Convert to fraction form
    748,833.57/1,033,390.87 = 409,301.82/x
  3. Step 3: Cross multiply
    748,833.57x = 1,033,390.87 × 409,301.82
  4. Step 4: Simplify right side
    748,833.57x = 422,968,762,839.13
  5. Step 5: Solve for x
    x = 422,968,762,839.13/748,833.57
  6. Step 6: Final answer
    x = 564,836.81

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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.