Home / 690,653.22-1,036,140.06-217,326.24

Finding the Fourth Proportional to 690,653.22, 1,036,140.06 and 217,326.24

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Solution

The fourth proportional to 690,653.22, 1,036,140.06 and 217,326.24 is: 326,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,653.22 : 1,036,140.06 = 217,326.24 : x
  2. Step 2: Convert to fraction form
    690,653.22/1,036,140.06 = 217,326.24/x
  3. Step 3: Cross multiply
    690,653.22x = 1,036,140.06 × 217,326.24
  4. Step 4: Simplify right side
    690,653.22x = 225,180,423,353.17
  5. Step 5: Solve for x
    x = 225,180,423,353.17/690,653.22
  6. Step 6: Final answer
    x = 326,039.78

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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.