Home / 938,621.52-1,407,807.12-264,756.96

Finding the Fourth Proportional to 938,621.52, 1,407,807.12 and 264,756.96

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Solution

The fourth proportional to 938,621.52, 1,407,807.12 and 264,756.96 is: 397,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,621.52 : 1,407,807.12 = 264,756.96 : x
  2. Step 2: Convert to fraction form
    938,621.52/1,407,807.12 = 264,756.96/x
  3. Step 3: Cross multiply
    938,621.52x = 1,407,807.12 × 264,756.96
  4. Step 4: Simplify right side
    938,621.52x = 372,726,733,357.56
  5. Step 5: Solve for x
    x = 372,726,733,357.56/938,621.52
  6. Step 6: Final answer
    x = 397,100.14

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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.