Home / 887,116.80-1,330,286.40-354,460.80

Finding the Fourth Proportional to 887,116.80, 1,330,286.40 and 354,460.80

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Solution

The fourth proportional to 887,116.80, 1,330,286.40 and 354,460.80 is: 531,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,116.80 : 1,330,286.40 = 354,460.80 : x
  2. Step 2: Convert to fraction form
    887,116.80/1,330,286.40 = 354,460.80/x
  3. Step 3: Cross multiply
    887,116.80x = 1,330,286.40 × 354,460.80
  4. Step 4: Simplify right side
    887,116.80x = 471,534,381,573.12
  5. Step 5: Solve for x
    x = 471,534,381,573.12/887,116.80
  6. Step 6: Final answer
    x = 531,535.85

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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.