Home / 558,710.40-839,815.20-548,212.80

Finding the Fourth Proportional to 558,710.40, 839,815.20 and 548,212.80

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Solution

The fourth proportional to 558,710.40, 839,815.20 and 548,212.80 is: 824,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,710.40 : 839,815.20 = 548,212.80 : x
  2. Step 2: Convert to fraction form
    558,710.40/839,815.20 = 548,212.80/x
  3. Step 3: Cross multiply
    558,710.40x = 839,815.20 × 548,212.80
  4. Step 4: Simplify right side
    558,710.40x = 460,397,442,274.56
  5. Step 5: Solve for x
    x = 460,397,442,274.56/558,710.40
  6. Step 6: Final answer
    x = 824,035.93

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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.