Home / 690,326.74-1,035,033.27-330,550.66

Finding the Fourth Proportional to 690,326.74, 1,035,033.27 and 330,550.66

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Solution

The fourth proportional to 690,326.74, 1,035,033.27 and 330,550.66 is: 495,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,326.74 : 1,035,033.27 = 330,550.66 : x
  2. Step 2: Convert to fraction form
    690,326.74/1,035,033.27 = 330,550.66/x
  3. Step 3: Cross multiply
    690,326.74x = 1,035,033.27 × 330,550.66
  4. Step 4: Simplify right side
    690,326.74x = 342,130,930,520.46
  5. Step 5: Solve for x
    x = 342,130,930,520.46/690,326.74
  6. Step 6: Final answer
    x = 495,607.24

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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.