Home / 690,003.52-1,034,677.56-240,669.84

Finding the Fourth Proportional to 690,003.52, 1,034,677.56 and 240,669.84

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Solution

The fourth proportional to 690,003.52, 1,034,677.56 and 240,669.84 is: 360,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,003.52 : 1,034,677.56 = 240,669.84 : x
  2. Step 2: Convert to fraction form
    690,003.52/1,034,677.56 = 240,669.84/x
  3. Step 3: Cross multiply
    690,003.52x = 1,034,677.56 × 240,669.84
  4. Step 4: Simplify right side
    690,003.52x = 249,015,682,816.79
  5. Step 5: Solve for x
    x = 249,015,682,816.79/690,003.52
  6. Step 6: Final answer
    x = 360,890.45

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1.5x scale

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.