Home / 679,733.49-1,019,534.01-206,422.95

Finding the Fourth Proportional to 679,733.49, 1,019,534.01 and 206,422.95

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Solution

The fourth proportional to 679,733.49, 1,019,534.01 and 206,422.95 is: 309,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,733.49 : 1,019,534.01 = 206,422.95 : x
  2. Step 2: Convert to fraction form
    679,733.49/1,019,534.01 = 206,422.95/x
  3. Step 3: Cross multiply
    679,733.49x = 1,019,534.01 × 206,422.95
  4. Step 4: Simplify right side
    679,733.49x = 210,455,217,969.53
  5. Step 5: Solve for x
    x = 210,455,217,969.53/679,733.49
  6. Step 6: Final answer
    x = 309,614.31

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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.