Home / 485,526.24-670,029.12-270,680

Finding the Fourth Proportional to 485,526.24, 670,029.12 and 270,680

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Solution

The fourth proportional to 485,526.24, 670,029.12 and 270,680 is: 373,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,526.24 : 670,029.12 = 270,680 : x
  2. Step 2: Convert to fraction form
    485,526.24/670,029.12 = 270,680/x
  3. Step 3: Cross multiply
    485,526.24x = 670,029.12 × 270,680
  4. Step 4: Simplify right side
    485,526.24x = 181,363,482,201.60
  5. Step 5: Solve for x
    x = 181,363,482,201.60/485,526.24
  6. Step 6: Final answer
    x = 373,540.02

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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.