Home / 820,098.35-1,130,730.27-674,394.95

Finding the Fourth Proportional to 820,098.35, 1,130,730.27 and 674,394.95

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Solution

The fourth proportional to 820,098.35, 1,130,730.27 and 674,394.95 is: 929,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,098.35 : 1,130,730.27 = 674,394.95 : x
  2. Step 2: Convert to fraction form
    820,098.35/1,130,730.27 = 674,394.95/x
  3. Step 3: Cross multiply
    820,098.35x = 1,130,730.27 × 674,394.95
  4. Step 4: Simplify right side
    820,098.35x = 762,558,783,900.14
  5. Step 5: Solve for x
    x = 762,558,783,900.14/820,098.35
  6. Step 6: Final answer
    x = 929,838.21

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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.