Home / 485,410.16-669,869.13-270,563.85

Finding the Fourth Proportional to 485,410.16, 669,869.13 and 270,563.85

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Solution

The fourth proportional to 485,410.16, 669,869.13 and 270,563.85 is: 373,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,410.16 : 669,869.13 = 270,563.85 : x
  2. Step 2: Convert to fraction form
    485,410.16/669,869.13 = 270,563.85/x
  3. Step 3: Cross multiply
    485,410.16x = 669,869.13 × 270,563.85
  4. Step 4: Simplify right side
    485,410.16x = 181,242,370,808.95
  5. Step 5: Solve for x
    x = 181,242,370,808.95/485,410.16
  6. Step 6: Final answer
    x = 373,379.85

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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.