Home / 859,938.09-1,290,062.25-354,223.02

Finding the Fourth Proportional to 859,938.09, 1,290,062.25 and 354,223.02

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Solution

The fourth proportional to 859,938.09, 1,290,062.25 and 354,223.02 is: 531,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,938.09 : 1,290,062.25 = 354,223.02 : x
  2. Step 2: Convert to fraction form
    859,938.09/1,290,062.25 = 354,223.02/x
  3. Step 3: Cross multiply
    859,938.09x = 1,290,062.25 × 354,223.02
  4. Step 4: Simplify right side
    859,938.09x = 456,969,746,183.00
  5. Step 5: Solve for x
    x = 456,969,746,183.00/859,938.09
  6. Step 6: Final answer
    x = 531,398.42

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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.