Home / 971,803.20-1,457,048.70-516,469.80

Finding the Fourth Proportional to 971,803.20, 1,457,048.70 and 516,469.80

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Solution

The fourth proportional to 971,803.20, 1,457,048.70 and 516,469.80 is: 774,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,803.20 : 1,457,048.70 = 516,469.80 : x
  2. Step 2: Convert to fraction form
    971,803.20/1,457,048.70 = 516,469.80/x
  3. Step 3: Cross multiply
    971,803.20x = 1,457,048.70 × 516,469.80
  4. Step 4: Simplify right side
    971,803.20x = 752,521,650,679.26
  5. Step 5: Solve for x
    x = 752,521,650,679.26/971,803.20
  6. Step 6: Final answer
    x = 774,356.01

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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.