Home / 971,380.65-1,456,811.78-340,228.65

Finding the Fourth Proportional to 971,380.65, 1,456,811.78 and 340,228.65

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Solution

The fourth proportional to 971,380.65, 1,456,811.78 and 340,228.65 is: 510,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,380.65 : 1,456,811.78 = 340,228.65 : x
  2. Step 2: Convert to fraction form
    971,380.65/1,456,811.78 = 340,228.65/x
  3. Step 3: Cross multiply
    971,380.65x = 1,456,811.78 × 340,228.65
  4. Step 4: Simplify right side
    971,380.65x = 495,649,103,512.35
  5. Step 5: Solve for x
    x = 495,649,103,512.35/971,380.65
  6. Step 6: Final answer
    x = 510,252.19

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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.