Home / 971,838.20-1,457,101.20-516,504.80

Finding the Fourth Proportional to 971,838.20, 1,457,101.20 and 516,504.80

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Solution

The fourth proportional to 971,838.20, 1,457,101.20 and 516,504.80 is: 774,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,838.20 : 1,457,101.20 = 516,504.80 : x
  2. Step 2: Convert to fraction form
    971,838.20/1,457,101.20 = 516,504.80/x
  3. Step 3: Cross multiply
    971,838.20x = 1,457,101.20 × 516,504.80
  4. Step 4: Simplify right side
    971,838.20x = 752,599,763,885.76
  5. Step 5: Solve for x
    x = 752,599,763,885.76/971,838.20
  6. Step 6: Final answer
    x = 774,408.50

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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.