Home / 894,774.74-1,234,770.82-486,884.66

Finding the Fourth Proportional to 894,774.74, 1,234,770.82 and 486,884.66

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Solution

The fourth proportional to 894,774.74, 1,234,770.82 and 486,884.66 is: 671,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,774.74 : 1,234,770.82 = 486,884.66 : x
  2. Step 2: Convert to fraction form
    894,774.74/1,234,770.82 = 486,884.66/x
  3. Step 3: Cross multiply
    894,774.74x = 1,234,770.82 × 486,884.66
  4. Step 4: Simplify right side
    894,774.74x = 601,190,963,482.56
  5. Step 5: Solve for x
    x = 601,190,963,482.56/894,774.74
  6. Step 6: Final answer
    x = 671,890.86

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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.