Home / 767,988-1,151,938.85-235,507.55

Finding the Fourth Proportional to 767,988, 1,151,938.85 and 235,507.55

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Solution

The fourth proportional to 767,988, 1,151,938.85 and 235,507.55 is: 353,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,988 : 1,151,938.85 = 235,507.55 : x
  2. Step 2: Convert to fraction form
    767,988/1,151,938.85 = 235,507.55/x
  3. Step 3: Cross multiply
    767,988x = 1,151,938.85 × 235,507.55
  4. Step 4: Simplify right side
    767,988x = 271,290,289,376.09
  5. Step 5: Solve for x
    x = 271,290,289,376.09/767,988
  6. Step 6: Final answer
    x = 353,248.08

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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.