Home / 663,943.56-995,375.08-208,300.57

Finding the Fourth Proportional to 663,943.56, 995,375.08 and 208,300.57

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Solution

The fourth proportional to 663,943.56, 995,375.08 and 208,300.57 is: 312,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,943.56 : 995,375.08 = 208,300.57 : x
  2. Step 2: Convert to fraction form
    663,943.56/995,375.08 = 208,300.57/x
  3. Step 3: Cross multiply
    663,943.56x = 995,375.08 × 208,300.57
  4. Step 4: Simplify right side
    663,943.56x = 207,337,190,509.42
  5. Step 5: Solve for x
    x = 207,337,190,509.42/663,943.56
  6. Step 6: Final answer
    x = 312,281.35

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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.