Home / 859,096.60-1,288,644.90-459,531.70

Finding the Fourth Proportional to 859,096.60, 1,288,644.90 and 459,531.70

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Solution

The fourth proportional to 859,096.60, 1,288,644.90 and 459,531.70 is: 689,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,096.60 : 1,288,644.90 = 459,531.70 : x
  2. Step 2: Convert to fraction form
    859,096.60/1,288,644.90 = 459,531.70/x
  3. Step 3: Cross multiply
    859,096.60x = 1,288,644.90 × 459,531.70
  4. Step 4: Simplify right side
    859,096.60x = 592,173,181,593.33
  5. Step 5: Solve for x
    x = 592,173,181,593.33/859,096.60
  6. Step 6: Final answer
    x = 689,297.55

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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.