Home / 332,071.32-497,464.87-278,122.79

Finding the Fourth Proportional to 332,071.32, 497,464.87 and 278,122.79

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Solution

The fourth proportional to 332,071.32, 497,464.87 and 278,122.79 is: 416,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,071.32 : 497,464.87 = 278,122.79 : x
  2. Step 2: Convert to fraction form
    332,071.32/497,464.87 = 278,122.79/x
  3. Step 3: Cross multiply
    332,071.32x = 497,464.87 × 278,122.79
  4. Step 4: Simplify right side
    332,071.32x = 138,356,317,571.39
  5. Step 5: Solve for x
    x = 138,356,317,571.39/332,071.32
  6. Step 6: Final answer
    x = 416,646.39

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1.5x scale

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.