Home / 625,570.24-863,263.80-339,084.18

Finding the Fourth Proportional to 625,570.24, 863,263.80 and 339,084.18

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Solution

The fourth proportional to 625,570.24, 863,263.80 and 339,084.18 is: 467,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,570.24 : 863,263.80 = 339,084.18 : x
  2. Step 2: Convert to fraction form
    625,570.24/863,263.80 = 339,084.18/x
  3. Step 3: Cross multiply
    625,570.24x = 863,263.80 × 339,084.18
  4. Step 4: Simplify right side
    625,570.24x = 292,719,097,746.68
  5. Step 5: Solve for x
    x = 292,719,097,746.68/625,570.24
  6. Step 6: Final answer
    x = 467,923.63

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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.