Home / 649,716.74-972,674.64-379,017.17

Finding the Fourth Proportional to 649,716.74, 972,674.64 and 379,017.17

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Solution

The fourth proportional to 649,716.74, 972,674.64 and 379,017.17 is: 567,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,716.74 : 972,674.64 = 379,017.17 : x
  2. Step 2: Convert to fraction form
    649,716.74/972,674.64 = 379,017.17/x
  3. Step 3: Cross multiply
    649,716.74x = 972,674.64 × 379,017.17
  4. Step 4: Simplify right side
    649,716.74x = 368,660,384,520.20
  5. Step 5: Solve for x
    x = 368,660,384,520.20/649,716.74
  6. Step 6: Final answer
    x = 567,417.10

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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.