Home / 1,022,903.70-1,534,221.15-313,002.90

Finding the Fourth Proportional to 1,022,903.70, 1,534,221.15 and 313,002.90

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Solution

The fourth proportional to 1,022,903.70, 1,534,221.15 and 313,002.90 is: 469,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,903.70 : 1,534,221.15 = 313,002.90 : x
  2. Step 2: Convert to fraction form
    1,022,903.70/1,534,221.15 = 313,002.90/x
  3. Step 3: Cross multiply
    1,022,903.70x = 1,534,221.15 × 313,002.90
  4. Step 4: Simplify right side
    1,022,903.70x = 480,215,669,191.34
  5. Step 5: Solve for x
    x = 480,215,669,191.34/1,022,903.70
  6. Step 6: Final answer
    x = 469,463.22

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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.