Home / 857,029.42-1,285,359.60-351,094.30

Finding the Fourth Proportional to 857,029.42, 1,285,359.60 and 351,094.30

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Solution

The fourth proportional to 857,029.42, 1,285,359.60 and 351,094.30 is: 526,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,029.42 : 1,285,359.60 = 351,094.30 : x
  2. Step 2: Convert to fraction form
    857,029.42/1,285,359.60 = 351,094.30/x
  3. Step 3: Cross multiply
    857,029.42x = 1,285,359.60 × 351,094.30
  4. Step 4: Simplify right side
    857,029.42x = 451,282,429,010.28
  5. Step 5: Solve for x
    x = 451,282,429,010.28/857,029.42
  6. Step 6: Final answer
    x = 526,565.85

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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.