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Finding the Fourth Proportional to 894,276, 1,234,104.12 and 486,377.82

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Solution

The fourth proportional to 894,276, 1,234,104.12 and 486,377.82 is: 671,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,276 : 1,234,104.12 = 486,377.82 : x
  2. Step 2: Convert to fraction form
    894,276/1,234,104.12 = 486,377.82/x
  3. Step 3: Cross multiply
    894,276x = 1,234,104.12 × 486,377.82
  4. Step 4: Simplify right side
    894,276x = 600,240,871,538.62
  5. Step 5: Solve for x
    x = 600,240,871,538.62/894,276
  6. Step 6: Final answer
    x = 671,203.15

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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.