Home / 851,780.96-1,175,471.85-464,596.51

Finding the Fourth Proportional to 851,780.96, 1,175,471.85 and 464,596.51

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Solution

The fourth proportional to 851,780.96, 1,175,471.85 and 464,596.51 is: 641,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,780.96 : 1,175,471.85 = 464,596.51 : x
  2. Step 2: Convert to fraction form
    851,780.96/1,175,471.85 = 464,596.51/x
  3. Step 3: Cross multiply
    851,780.96x = 1,175,471.85 × 464,596.51
  4. Step 4: Simplify right side
    851,780.96x = 546,120,117,507.46
  5. Step 5: Solve for x
    x = 546,120,117,507.46/851,780.96
  6. Step 6: Final answer
    x = 641,150.88

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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.