Home / 955,016.30-1,432,368.72-280,939.96

Finding the Fourth Proportional to 955,016.30, 1,432,368.72 and 280,939.96

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Solution

The fourth proportional to 955,016.30, 1,432,368.72 and 280,939.96 is: 421,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,016.30 : 1,432,368.72 = 280,939.96 : x
  2. Step 2: Convert to fraction form
    955,016.30/1,432,368.72 = 280,939.96/x
  3. Step 3: Cross multiply
    955,016.30x = 1,432,368.72 × 280,939.96
  4. Step 4: Simplify right side
    955,016.30x = 402,409,609,497.35
  5. Step 5: Solve for x
    x = 402,409,609,497.35/955,016.30
  6. Step 6: Final answer
    x = 421,364.13

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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.