Home / 750,499.28-1,035,845.38-689,974.05

Finding the Fourth Proportional to 750,499.28, 1,035,845.38 and 689,974.05

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Solution

The fourth proportional to 750,499.28, 1,035,845.38 and 689,974.05 is: 952,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,499.28 : 1,035,845.38 = 689,974.05 : x
  2. Step 2: Convert to fraction form
    750,499.28/1,035,845.38 = 689,974.05/x
  3. Step 3: Cross multiply
    750,499.28x = 1,035,845.38 × 689,974.05
  4. Step 4: Simplify right side
    750,499.28x = 714,706,432,012.39
  5. Step 5: Solve for x
    x = 714,706,432,012.39/750,499.28
  6. Step 6: Final answer
    x = 952,307.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.