Home / 486,976.32-671,977.44-334,145.52

Finding the Fourth Proportional to 486,976.32, 671,977.44 and 334,145.52

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Solution

The fourth proportional to 486,976.32, 671,977.44 and 334,145.52 is: 461,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,976.32 : 671,977.44 = 334,145.52 : x
  2. Step 2: Convert to fraction form
    486,976.32/671,977.44 = 334,145.52/x
  3. Step 3: Cross multiply
    486,976.32x = 671,977.44 × 334,145.52
  4. Step 4: Simplify right side
    486,976.32x = 224,538,251,117.07
  5. Step 5: Solve for x
    x = 224,538,251,117.07/486,976.32
  6. Step 6: Final answer
    x = 461,086.59

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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.