Home / 978,513.44-1,350,362.04-591,275.12

Finding the Fourth Proportional to 978,513.44, 1,350,362.04 and 591,275.12

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Solution

The fourth proportional to 978,513.44, 1,350,362.04 and 591,275.12 is: 815,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,513.44 : 1,350,362.04 = 591,275.12 : x
  2. Step 2: Convert to fraction form
    978,513.44/1,350,362.04 = 591,275.12/x
  3. Step 3: Cross multiply
    978,513.44x = 1,350,362.04 × 591,275.12
  4. Step 4: Simplify right side
    978,513.44x = 798,435,477,244.45
  5. Step 5: Solve for x
    x = 798,435,477,244.45/978,513.44
  6. Step 6: Final answer
    x = 815,967.82

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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.