Home / 782,156.07-1,079,375.37-424,460.07

Finding the Fourth Proportional to 782,156.07, 1,079,375.37 and 424,460.07

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Solution

The fourth proportional to 782,156.07, 1,079,375.37 and 424,460.07 is: 585,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,156.07 : 1,079,375.37 = 424,460.07 : x
  2. Step 2: Convert to fraction form
    782,156.07/1,079,375.37 = 424,460.07/x
  3. Step 3: Cross multiply
    782,156.07x = 1,079,375.37 × 424,460.07
  4. Step 4: Simplify right side
    782,156.07x = 458,151,745,106.48
  5. Step 5: Solve for x
    x = 458,151,745,106.48/782,156.07
  6. Step 6: Final answer
    x = 585,754.89

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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.