Home / 718,159.14-991,250.34-424,066.56

Finding the Fourth Proportional to 718,159.14, 991,250.34 and 424,066.56

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Solution

The fourth proportional to 718,159.14, 991,250.34 and 424,066.56 is: 585,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,159.14 : 991,250.34 = 424,066.56 : x
  2. Step 2: Convert to fraction form
    718,159.14/991,250.34 = 424,066.56/x
  3. Step 3: Cross multiply
    718,159.14x = 991,250.34 × 424,066.56
  4. Step 4: Simplify right side
    718,159.14x = 420,356,121,782.63
  5. Step 5: Solve for x
    x = 420,356,121,782.63/718,159.14
  6. Step 6: Final answer
    x = 585,324.48

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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.