Home / 887,189.70-1,330,784.55-550,610.40

Finding the Fourth Proportional to 887,189.70, 1,330,784.55 and 550,610.40

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Solution

The fourth proportional to 887,189.70, 1,330,784.55 and 550,610.40 is: 825,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,189.70 : 1,330,784.55 = 550,610.40 : x
  2. Step 2: Convert to fraction form
    887,189.70/1,330,784.55 = 550,610.40/x
  3. Step 3: Cross multiply
    887,189.70x = 1,330,784.55 × 550,610.40
  4. Step 4: Simplify right side
    887,189.70x = 732,743,813,389.32
  5. Step 5: Solve for x
    x = 732,743,813,389.32/887,189.70
  6. Step 6: Final answer
    x = 825,915.60

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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.