Home / 698,045.81-1,046,943.97-185,713.72

Finding the Fourth Proportional to 698,045.81, 1,046,943.97 and 185,713.72

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Solution

The fourth proportional to 698,045.81, 1,046,943.97 and 185,713.72 is: 278,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,045.81 : 1,046,943.97 = 185,713.72 : x
  2. Step 2: Convert to fraction form
    698,045.81/1,046,943.97 = 185,713.72/x
  3. Step 3: Cross multiply
    698,045.81x = 1,046,943.97 × 185,713.72
  4. Step 4: Simplify right side
    698,045.81x = 194,431,859,300.27
  5. Step 5: Solve for x
    x = 194,431,859,300.27/698,045.81
  6. Step 6: Final answer
    x = 278,537.39

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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.