Home / 485,240.04-669,651.84-270,380.28

Finding the Fourth Proportional to 485,240.04, 669,651.84 and 270,380.28

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Solution

The fourth proportional to 485,240.04, 669,651.84 and 270,380.28 is: 373,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,240.04 : 669,651.84 = 270,380.28 : x
  2. Step 2: Convert to fraction form
    485,240.04/669,651.84 = 270,380.28/x
  3. Step 3: Cross multiply
    485,240.04x = 669,651.84 × 270,380.28
  4. Step 4: Simplify right side
    485,240.04x = 181,060,652,001.72
  5. Step 5: Solve for x
    x = 181,060,652,001.72/485,240.04
  6. Step 6: Final answer
    x = 373,136.26

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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.