Home / 782,189.84-1,079,422.08-424,493.84

Finding the Fourth Proportional to 782,189.84, 1,079,422.08 and 424,493.84

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Solution

The fourth proportional to 782,189.84, 1,079,422.08 and 424,493.84 is: 585,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,189.84 : 1,079,422.08 = 424,493.84 : x
  2. Step 2: Convert to fraction form
    782,189.84/1,079,422.08 = 424,493.84/x
  3. Step 3: Cross multiply
    782,189.84x = 1,079,422.08 × 424,493.84
  4. Step 4: Simplify right side
    782,189.84x = 458,208,023,719.99
  5. Step 5: Solve for x
    x = 458,208,023,719.99/782,189.84
  6. Step 6: Final answer
    x = 585,801.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.