Home / 834,982.80-1,252,474.20-302,521.20

Finding the Fourth Proportional to 834,982.80, 1,252,474.20 and 302,521.20

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Solution

The fourth proportional to 834,982.80, 1,252,474.20 and 302,521.20 is: 453,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,982.80 : 1,252,474.20 = 302,521.20 : x
  2. Step 2: Convert to fraction form
    834,982.80/1,252,474.20 = 302,521.20/x
  3. Step 3: Cross multiply
    834,982.80x = 1,252,474.20 × 302,521.20
  4. Step 4: Simplify right side
    834,982.80x = 378,899,997,953.04
  5. Step 5: Solve for x
    x = 378,899,997,953.04/834,982.80
  6. Step 6: Final answer
    x = 453,781.80

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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.