Home / 690,703.13-1,036,220.60-264,231.98

Finding the Fourth Proportional to 690,703.13, 1,036,220.60 and 264,231.98

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Solution

The fourth proportional to 690,703.13, 1,036,220.60 and 264,231.98 is: 396,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,703.13 : 1,036,220.60 = 264,231.98 : x
  2. Step 2: Convert to fraction form
    690,703.13/1,036,220.60 = 264,231.98/x
  3. Step 3: Cross multiply
    690,703.13x = 1,036,220.60 × 264,231.98
  4. Step 4: Simplify right side
    690,703.13x = 273,802,620,854.79
  5. Step 5: Solve for x
    x = 273,802,620,854.79/690,703.13
  6. Step 6: Final answer
    x = 396,411.44

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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.