Home / 912,644.10-1,368,509.13-281,475.90

Finding the Fourth Proportional to 912,644.10, 1,368,509.13 and 281,475.90

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Solution

The fourth proportional to 912,644.10, 1,368,509.13 and 281,475.90 is: 422,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,644.10 : 1,368,509.13 = 281,475.90 : x
  2. Step 2: Convert to fraction form
    912,644.10/1,368,509.13 = 281,475.90/x
  3. Step 3: Cross multiply
    912,644.10x = 1,368,509.13 × 281,475.90
  4. Step 4: Simplify right side
    912,644.10x = 385,202,339,024.97
  5. Step 5: Solve for x
    x = 385,202,339,024.97/912,644.10
  6. Step 6: Final answer
    x = 422,072.90

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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.