Home / 755,900.91-1,043,143.31-416,369.16

Finding the Fourth Proportional to 755,900.91, 1,043,143.31 and 416,369.16

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Solution

The fourth proportional to 755,900.91, 1,043,143.31 and 416,369.16 is: 574,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,900.91 : 1,043,143.31 = 416,369.16 : x
  2. Step 2: Convert to fraction form
    755,900.91/1,043,143.31 = 416,369.16/x
  3. Step 3: Cross multiply
    755,900.91x = 1,043,143.31 × 416,369.16
  4. Step 4: Simplify right side
    755,900.91x = 434,332,703,744.32
  5. Step 5: Solve for x
    x = 434,332,703,744.32/755,900.91
  6. Step 6: Final answer
    x = 574,589.47

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Double scale
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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.