Home / 680,527.23-1,020,790.89-281,178.30

Finding the Fourth Proportional to 680,527.23, 1,020,790.89 and 281,178.30

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Solution

The fourth proportional to 680,527.23, 1,020,790.89 and 281,178.30 is: 421,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,527.23 : 1,020,790.89 = 281,178.30 : x
  2. Step 2: Convert to fraction form
    680,527.23/1,020,790.89 = 281,178.30/x
  3. Step 3: Cross multiply
    680,527.23x = 1,020,790.89 × 281,178.30
  4. Step 4: Simplify right side
    680,527.23x = 287,024,242,001.73
  5. Step 5: Solve for x
    x = 287,024,242,001.73/680,527.23
  6. Step 6: Final answer
    x = 421,767.46

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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.