Home / 715,631.35-1,073,038.78-294,405.43

Finding the Fourth Proportional to 715,631.35, 1,073,038.78 and 294,405.43

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Solution

The fourth proportional to 715,631.35, 1,073,038.78 and 294,405.43 is: 441,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,631.35 : 1,073,038.78 = 294,405.43 : x
  2. Step 2: Convert to fraction form
    715,631.35/1,073,038.78 = 294,405.43/x
  3. Step 3: Cross multiply
    715,631.35x = 1,073,038.78 × 294,405.43
  4. Step 4: Simplify right side
    715,631.35x = 315,908,443,432.58
  5. Step 5: Solve for x
    x = 315,908,443,432.58/715,631.35
  6. Step 6: Final answer
    x = 441,440.20

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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.