Home / 971,200.14-1,340,707.46-691,977.34

Finding the Fourth Proportional to 971,200.14, 1,340,707.46 and 691,977.34

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Solution

The fourth proportional to 971,200.14, 1,340,707.46 and 691,977.34 is: 955,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,200.14 : 1,340,707.46 = 691,977.34 : x
  2. Step 2: Convert to fraction form
    971,200.14/1,340,707.46 = 691,977.34/x
  3. Step 3: Cross multiply
    971,200.14x = 1,340,707.46 × 691,977.34
  4. Step 4: Simplify right side
    971,200.14x = 927,739,181,888.96
  5. Step 5: Solve for x
    x = 927,739,181,888.96/971,200.14
  6. Step 6: Final answer
    x = 955,250.26

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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.