Home / 971,923.40-1,456,815.90-340,512.20

Finding the Fourth Proportional to 971,923.40, 1,456,815.90 and 340,512.20

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Solution

The fourth proportional to 971,923.40, 1,456,815.90 and 340,512.20 is: 510,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,923.40 : 1,456,815.90 = 340,512.20 : x
  2. Step 2: Convert to fraction form
    971,923.40/1,456,815.90 = 340,512.20/x
  3. Step 3: Cross multiply
    971,923.40x = 1,456,815.90 × 340,512.20
  4. Step 4: Simplify right side
    971,923.40x = 496,063,587,103.98
  5. Step 5: Solve for x
    x = 496,063,587,103.98/971,923.40
  6. Step 6: Final answer
    x = 510,393.71

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1.5x scale

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.