Home / 855,462.95-1,180,250.60-492,877.79

Finding the Fourth Proportional to 855,462.95, 1,180,250.60 and 492,877.79

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Solution

The fourth proportional to 855,462.95, 1,180,250.60 and 492,877.79 is: 680,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,462.95 : 1,180,250.60 = 492,877.79 : x
  2. Step 2: Convert to fraction form
    855,462.95/1,180,250.60 = 492,877.79/x
  3. Step 3: Cross multiply
    855,462.95x = 1,180,250.60 × 492,877.79
  4. Step 4: Simplify right side
    855,462.95x = 581,719,299,008.53
  5. Step 5: Solve for x
    x = 581,719,299,008.53/855,462.95
  6. Step 6: Final answer
    x = 680,005.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.