Home / 887,059.35-1,330,443.43-247,406.60

Finding the Fourth Proportional to 887,059.35, 1,330,443.43 and 247,406.60

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Solution

The fourth proportional to 887,059.35, 1,330,443.43 and 247,406.60 is: 371,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,059.35 : 1,330,443.43 = 247,406.60 : x
  2. Step 2: Convert to fraction form
    887,059.35/1,330,443.43 = 247,406.60/x
  3. Step 3: Cross multiply
    887,059.35x = 1,330,443.43 × 247,406.60
  4. Step 4: Simplify right side
    887,059.35x = 329,160,488,216.23
  5. Step 5: Solve for x
    x = 329,160,488,216.23/887,059.35
  6. Step 6: Final answer
    x = 371,069.30

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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.