Home / 872,545.68-1,203,719.46-509,806.44

Finding the Fourth Proportional to 872,545.68, 1,203,719.46 and 509,806.44

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Solution

The fourth proportional to 872,545.68, 1,203,719.46 and 509,806.44 is: 703,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,545.68 : 1,203,719.46 = 509,806.44 : x
  2. Step 2: Convert to fraction form
    872,545.68/1,203,719.46 = 509,806.44/x
  3. Step 3: Cross multiply
    872,545.68x = 1,203,719.46 × 509,806.44
  4. Step 4: Simplify right side
    872,545.68x = 613,663,932,661.32
  5. Step 5: Solve for x
    x = 613,663,932,661.32/872,545.68
  6. Step 6: Final answer
    x = 703,302.93

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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.