Home / 475,836.09-656,672.22-260,985.21

Finding the Fourth Proportional to 475,836.09, 656,672.22 and 260,985.21

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Solution

The fourth proportional to 475,836.09, 656,672.22 and 260,985.21 is: 360,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,836.09 : 656,672.22 = 260,985.21 : x
  2. Step 2: Convert to fraction form
    475,836.09/656,672.22 = 260,985.21/x
  3. Step 3: Cross multiply
    475,836.09x = 656,672.22 × 260,985.21
  4. Step 4: Simplify right side
    475,836.09x = 171,381,737,237.87
  5. Step 5: Solve for x
    x = 171,381,737,237.87/475,836.09
  6. Step 6: Final answer
    x = 360,169.69

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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.