Home / 718,096.48-990,914.88-416,309.92

Finding the Fourth Proportional to 718,096.48, 990,914.88 and 416,309.92

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Solution

The fourth proportional to 718,096.48, 990,914.88 and 416,309.92 is: 574,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,096.48 : 990,914.88 = 416,309.92 : x
  2. Step 2: Convert to fraction form
    718,096.48/990,914.88 = 416,309.92/x
  3. Step 3: Cross multiply
    718,096.48x = 990,914.88 × 416,309.92
  4. Step 4: Simplify right side
    718,096.48x = 412,527,694,419.61
  5. Step 5: Solve for x
    x = 412,527,694,419.61/718,096.48
  6. Step 6: Final answer
    x = 574,473.91

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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.