Home / 887,141.89-1,330,711.48-354,787.75

Finding the Fourth Proportional to 887,141.89, 1,330,711.48 and 354,787.75

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Solution

The fourth proportional to 887,141.89, 1,330,711.48 and 354,787.75 is: 532,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,141.89 : 1,330,711.48 = 354,787.75 : x
  2. Step 2: Convert to fraction form
    887,141.89/1,330,711.48 = 354,787.75/x
  3. Step 3: Cross multiply
    887,141.89x = 1,330,711.48 × 354,787.75
  4. Step 4: Simplify right side
    887,141.89x = 472,120,131,888.37
  5. Step 5: Solve for x
    x = 472,120,131,888.37/887,141.89
  6. Step 6: Final answer
    x = 532,181.08

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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.