Home / 842,904.90-1,264,357.35-559,469.70

Finding the Fourth Proportional to 842,904.90, 1,264,357.35 and 559,469.70

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Solution

The fourth proportional to 842,904.90, 1,264,357.35 and 559,469.70 is: 839,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,904.90 : 1,264,357.35 = 559,469.70 : x
  2. Step 2: Convert to fraction form
    842,904.90/1,264,357.35 = 559,469.70/x
  3. Step 3: Cross multiply
    842,904.90x = 1,264,357.35 × 559,469.70
  4. Step 4: Simplify right side
    842,904.90x = 707,369,627,297.30
  5. Step 5: Solve for x
    x = 707,369,627,297.30/842,904.90
  6. Step 6: Final answer
    x = 839,204.55

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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.