Home / 826,523.20-1,239,784.80-558,834.40

Finding the Fourth Proportional to 826,523.20, 1,239,784.80 and 558,834.40

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Solution

The fourth proportional to 826,523.20, 1,239,784.80 and 558,834.40 is: 838,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,523.20 : 1,239,784.80 = 558,834.40 : x
  2. Step 2: Convert to fraction form
    826,523.20/1,239,784.80 = 558,834.40/x
  3. Step 3: Cross multiply
    826,523.20x = 1,239,784.80 × 558,834.40
  4. Step 4: Simplify right side
    826,523.20x = 692,834,394,837.12
  5. Step 5: Solve for x
    x = 692,834,394,837.12/826,523.20
  6. Step 6: Final answer
    x = 838,251.60

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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.