Home / 689,915.56-1,034,877.93-240,634.75

Finding the Fourth Proportional to 689,915.56, 1,034,877.93 and 240,634.75

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Solution

The fourth proportional to 689,915.56, 1,034,877.93 and 240,634.75 is: 360,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,915.56 : 1,034,877.93 = 240,634.75 : x
  2. Step 2: Convert to fraction form
    689,915.56/1,034,877.93 = 240,634.75/x
  3. Step 3: Cross multiply
    689,915.56x = 1,034,877.93 × 240,634.75
  4. Step 4: Simplify right side
    689,915.56x = 249,027,591,966.07
  5. Step 5: Solve for x
    x = 249,027,591,966.07/689,915.56
  6. Step 6: Final answer
    x = 360,953.73

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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.