Home / 490,181.57-676,437.05-272,384.62

Finding the Fourth Proportional to 490,181.57, 676,437.05 and 272,384.62

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Solution

The fourth proportional to 490,181.57, 676,437.05 and 272,384.62 is: 375,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,181.57 : 676,437.05 = 272,384.62 : x
  2. Step 2: Convert to fraction form
    490,181.57/676,437.05 = 272,384.62/x
  3. Step 3: Cross multiply
    490,181.57x = 676,437.05 × 272,384.62
  4. Step 4: Simplify right side
    490,181.57x = 184,251,048,818.17
  5. Step 5: Solve for x
    x = 184,251,048,818.17/490,181.57
  6. Step 6: Final answer
    x = 375,883.26

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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.