Home / 726,977.94-1,090,689.24-372,242.88

Finding the Fourth Proportional to 726,977.94, 1,090,689.24 and 372,242.88

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Solution

The fourth proportional to 726,977.94, 1,090,689.24 and 372,242.88 is: 558,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,977.94 : 1,090,689.24 = 372,242.88 : x
  2. Step 2: Convert to fraction form
    726,977.94/1,090,689.24 = 372,242.88/x
  3. Step 3: Cross multiply
    726,977.94x = 1,090,689.24 × 372,242.88
  4. Step 4: Simplify right side
    726,977.94x = 406,001,303,882.61
  5. Step 5: Solve for x
    x = 406,001,303,882.61/726,977.94
  6. Step 6: Final answer
    x = 558,478.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.