Home / 876,965.56-1,315,531.96-245,877.56

Finding the Fourth Proportional to 876,965.56, 1,315,531.96 and 245,877.56

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Solution

The fourth proportional to 876,965.56, 1,315,531.96 and 245,877.56 is: 368,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,965.56 : 1,315,531.96 = 245,877.56 : x
  2. Step 2: Convert to fraction form
    876,965.56/1,315,531.96 = 245,877.56/x
  3. Step 3: Cross multiply
    876,965.56x = 1,315,531.96 × 245,877.56
  4. Step 4: Simplify right side
    876,965.56x = 323,459,788,426.82
  5. Step 5: Solve for x
    x = 323,459,788,426.82/876,965.56
  6. Step 6: Final answer
    x = 368,839.78

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1.5x scale

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.