Home / 912,203.10-1,367,845.65-281,034.90

Finding the Fourth Proportional to 912,203.10, 1,367,845.65 and 281,034.90

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Solution

The fourth proportional to 912,203.10, 1,367,845.65 and 281,034.90 is: 421,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,203.10 : 1,367,845.65 = 281,034.90 : x
  2. Step 2: Convert to fraction form
    912,203.10/1,367,845.65 = 281,034.90/x
  3. Step 3: Cross multiply
    912,203.10x = 1,367,845.65 × 281,034.90
  4. Step 4: Simplify right side
    912,203.10x = 384,412,365,463.19
  5. Step 5: Solve for x
    x = 384,412,365,463.19/912,203.10
  6. Step 6: Final answer
    x = 421,410.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.