Home / 485,448.76-669,941.97-270,590.39

Finding the Fourth Proportional to 485,448.76, 669,941.97 and 270,590.39

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Solution

The fourth proportional to 485,448.76, 669,941.97 and 270,590.39 is: 373,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,448.76 : 669,941.97 = 270,590.39 : x
  2. Step 2: Convert to fraction form
    485,448.76/669,941.97 = 270,590.39/x
  3. Step 3: Cross multiply
    485,448.76x = 669,941.97 × 270,590.39
  4. Step 4: Simplify right side
    485,448.76x = 181,279,855,589.96
  5. Step 5: Solve for x
    x = 181,279,855,589.96/485,448.76
  6. Step 6: Final answer
    x = 373,427.38

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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.