Home / 943,131.66-1,301,521.66-513,414.91

Finding the Fourth Proportional to 943,131.66, 1,301,521.66 and 513,414.91

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Solution

The fourth proportional to 943,131.66, 1,301,521.66 and 513,414.91 is: 708,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,131.66 : 1,301,521.66 = 513,414.91 : x
  2. Step 2: Convert to fraction form
    943,131.66/1,301,521.66 = 513,414.91/x
  3. Step 3: Cross multiply
    943,131.66x = 1,301,521.66 × 513,414.91
  4. Step 4: Simplify right side
    943,131.66x = 668,220,625,931.95
  5. Step 5: Solve for x
    x = 668,220,625,931.95/943,131.66
  6. Step 6: Final answer
    x = 708,512.56

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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.