Home / 982,157.85-1,355,364.23-552,438.27

Finding the Fourth Proportional to 982,157.85, 1,355,364.23 and 552,438.27

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Solution

The fourth proportional to 982,157.85, 1,355,364.23 and 552,438.27 is: 762,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,157.85 : 1,355,364.23 = 552,438.27 : x
  2. Step 2: Convert to fraction form
    982,157.85/1,355,364.23 = 552,438.27/x
  3. Step 3: Cross multiply
    982,157.85x = 1,355,364.23 × 552,438.27
  4. Step 4: Simplify right side
    982,157.85x = 748,755,067,678.89
  5. Step 5: Solve for x
    x = 748,755,067,678.89/982,157.85
  6. Step 6: Final answer
    x = 762,357.16

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1.5x scale

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.