Home / 690,733.97-1,035,230.71-370,090.61

Finding the Fourth Proportional to 690,733.97, 1,035,230.71 and 370,090.61

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Solution

The fourth proportional to 690,733.97, 1,035,230.71 and 370,090.61 is: 554,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,733.97 : 1,035,230.71 = 370,090.61 : x
  2. Step 2: Convert to fraction form
    690,733.97/1,035,230.71 = 370,090.61/x
  3. Step 3: Cross multiply
    690,733.97x = 1,035,230.71 × 370,090.61
  4. Step 4: Simplify right side
    690,733.97x = 383,129,164,954.63
  5. Step 5: Solve for x
    x = 383,129,164,954.63/690,733.97
  6. Step 6: Final answer
    x = 554,669.64

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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.