Home / 781,119.55-1,171,656.64-248,672.53

Finding the Fourth Proportional to 781,119.55, 1,171,656.64 and 248,672.53

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Solution

The fourth proportional to 781,119.55, 1,171,656.64 and 248,672.53 is: 373,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,119.55 : 1,171,656.64 = 248,672.53 : x
  2. Step 2: Convert to fraction form
    781,119.55/1,171,656.64 = 248,672.53/x
  3. Step 3: Cross multiply
    781,119.55x = 1,171,656.64 × 248,672.53
  4. Step 4: Simplify right side
    781,119.55x = 291,358,813,858.45
  5. Step 5: Solve for x
    x = 291,358,813,858.45/781,119.55
  6. Step 6: Final answer
    x = 373,001.57

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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.