Home / 887,081.05-1,330,732.31-347,267.60

Finding the Fourth Proportional to 887,081.05, 1,330,732.31 and 347,267.60

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Solution

The fourth proportional to 887,081.05, 1,330,732.31 and 347,267.60 is: 520,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,081.05 : 1,330,732.31 = 347,267.60 : x
  2. Step 2: Convert to fraction form
    887,081.05/1,330,732.31 = 347,267.60/x
  3. Step 3: Cross multiply
    887,081.05x = 1,330,732.31 × 347,267.60
  4. Step 4: Simplify right side
    887,081.05x = 462,120,212,136.40
  5. Step 5: Solve for x
    x = 462,120,212,136.40/887,081.05
  6. Step 6: Final answer
    x = 520,944.75

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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.