Home / 887,235.72-1,330,458.30-255,999.56

Finding the Fourth Proportional to 887,235.72, 1,330,458.30 and 255,999.56

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Solution

The fourth proportional to 887,235.72, 1,330,458.30 and 255,999.56 is: 383,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,235.72 : 1,330,458.30 = 255,999.56 : x
  2. Step 2: Convert to fraction form
    887,235.72/1,330,458.30 = 255,999.56/x
  3. Step 3: Cross multiply
    887,235.72x = 1,330,458.30 × 255,999.56
  4. Step 4: Simplify right side
    887,235.72x = 340,596,739,398.35
  5. Step 5: Solve for x
    x = 340,596,739,398.35/887,235.72
  6. Step 6: Final answer
    x = 383,885.29

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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.