Home / 971,958.08-1,340,577.76-713,753.60

Finding the Fourth Proportional to 971,958.08, 1,340,577.76 and 713,753.60

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Solution

The fourth proportional to 971,958.08, 1,340,577.76 and 713,753.60 is: 984,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,958.08 : 1,340,577.76 = 713,753.60 : x
  2. Step 2: Convert to fraction form
    971,958.08/1,340,577.76 = 713,753.60/x
  3. Step 3: Cross multiply
    971,958.08x = 1,340,577.76 × 713,753.60
  4. Step 4: Simplify right side
    971,958.08x = 956,842,202,279.94
  5. Step 5: Solve for x
    x = 956,842,202,279.94/971,958.08
  6. Step 6: Final answer
    x = 984,448.01

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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.