Home / 971,281.40-1,456,965.30-331,575.80

Finding the Fourth Proportional to 971,281.40, 1,456,965.30 and 331,575.80

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Solution

The fourth proportional to 971,281.40, 1,456,965.30 and 331,575.80 is: 497,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,281.40 : 1,456,965.30 = 331,575.80 : x
  2. Step 2: Convert to fraction form
    971,281.40/1,456,965.30 = 331,575.80/x
  3. Step 3: Cross multiply
    971,281.40x = 1,456,965.30 × 331,575.80
  4. Step 4: Simplify right side
    971,281.40x = 483,094,434,919.74
  5. Step 5: Solve for x
    x = 483,094,434,919.74/971,281.40
  6. Step 6: Final answer
    x = 497,378.45

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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.