Home / 526,255.38-726,095.19-308,346.98

Finding the Fourth Proportional to 526,255.38, 726,095.19 and 308,346.98

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Solution

The fourth proportional to 526,255.38, 726,095.19 and 308,346.98 is: 425,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,255.38 : 726,095.19 = 308,346.98 : x
  2. Step 2: Convert to fraction form
    526,255.38/726,095.19 = 308,346.98/x
  3. Step 3: Cross multiply
    526,255.38x = 726,095.19 × 308,346.98
  4. Step 4: Simplify right side
    526,255.38x = 223,889,258,904.69
  5. Step 5: Solve for x
    x = 223,889,258,904.69/526,255.38
  6. Step 6: Final answer
    x = 425,438.42

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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.