Home / 748,663.23-1,033,155.69-409,131.48

Finding the Fourth Proportional to 748,663.23, 1,033,155.69 and 409,131.48

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Solution

The fourth proportional to 748,663.23, 1,033,155.69 and 409,131.48 is: 564,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,663.23 : 1,033,155.69 = 409,131.48 : x
  2. Step 2: Convert to fraction form
    748,663.23/1,033,155.69 = 409,131.48/x
  3. Step 3: Cross multiply
    748,663.23x = 1,033,155.69 × 409,131.48
  4. Step 4: Simplify right side
    748,663.23x = 422,696,516,520.12
  5. Step 5: Solve for x
    x = 422,696,516,520.12/748,663.23
  6. Step 6: Final answer
    x = 564,601.68

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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.