Home / 490,174.30-676,427.02-272,377.34

Finding the Fourth Proportional to 490,174.30, 676,427.02 and 272,377.34

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Solution

The fourth proportional to 490,174.30, 676,427.02 and 272,377.34 is: 375,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,174.30 : 676,427.02 = 272,377.34 : x
  2. Step 2: Convert to fraction form
    490,174.30/676,427.02 = 272,377.34/x
  3. Step 3: Cross multiply
    490,174.30x = 676,427.02 × 272,377.34
  4. Step 4: Simplify right side
    490,174.30x = 184,243,392,411.73
  5. Step 5: Solve for x
    x = 184,243,392,411.73/490,174.30
  6. Step 6: Final answer
    x = 375,873.22

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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.