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Finding the Fourth Proportional to 894,267, 1,234,091.70 and 486,368.82

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Solution

The fourth proportional to 894,267, 1,234,091.70 and 486,368.82 is: 671,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,267 : 1,234,091.70 = 486,368.82 : x
  2. Step 2: Convert to fraction form
    894,267/1,234,091.70 = 486,368.82/x
  3. Step 3: Cross multiply
    894,267x = 1,234,091.70 × 486,368.82
  4. Step 4: Simplify right side
    894,267x = 600,223,723,900.79
  5. Step 5: Solve for x
    x = 600,223,723,900.79/894,267
  6. Step 6: Final answer
    x = 671,190.73

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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.