Home / 912,554.10-1,368,374.31-281,385.90

Finding the Fourth Proportional to 912,554.10, 1,368,374.31 and 281,385.90

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Solution

The fourth proportional to 912,554.10, 1,368,374.31 and 281,385.90 is: 421,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,554.10 : 1,368,374.31 = 281,385.90 : x
  2. Step 2: Convert to fraction form
    912,554.10/1,368,374.31 = 281,385.90/x
  3. Step 3: Cross multiply
    912,554.10x = 1,368,374.31 × 281,385.90
  4. Step 4: Simplify right side
    912,554.10x = 385,041,236,756.23
  5. Step 5: Solve for x
    x = 385,041,236,756.23/912,554.10
  6. Step 6: Final answer
    x = 421,937.98

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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.