Home / 697,232.88-1,045,849.30-487,280.88

Finding the Fourth Proportional to 697,232.88, 1,045,849.30 and 487,280.88

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Solution

The fourth proportional to 697,232.88, 1,045,849.30 and 487,280.88 is: 730,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,232.88 : 1,045,849.30 = 487,280.88 : x
  2. Step 2: Convert to fraction form
    697,232.88/1,045,849.30 = 487,280.88/x
  3. Step 3: Cross multiply
    697,232.88x = 1,045,849.30 × 487,280.88
  4. Step 4: Simplify right side
    697,232.88x = 509,622,367,251.38
  5. Step 5: Solve for x
    x = 509,622,367,251.38/697,232.88
  6. Step 6: Final answer
    x = 730,921.31

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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.