Home / 690,337.80-1,035,577.35-264,231.60

Finding the Fourth Proportional to 690,337.80, 1,035,577.35 and 264,231.60

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Solution

The fourth proportional to 690,337.80, 1,035,577.35 and 264,231.60 is: 396,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,337.80 : 1,035,577.35 = 264,231.60 : x
  2. Step 2: Convert to fraction form
    690,337.80/1,035,577.35 = 264,231.60/x
  3. Step 3: Cross multiply
    690,337.80x = 1,035,577.35 × 264,231.60
  4. Step 4: Simplify right side
    690,337.80x = 273,632,260,114.26
  5. Step 5: Solve for x
    x = 273,632,260,114.26/690,337.80
  6. Step 6: Final answer
    x = 396,374.44

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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.