Home / 826,013.84-1,140,299.52-553,982.36

Finding the Fourth Proportional to 826,013.84, 1,140,299.52 and 553,982.36

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Solution

The fourth proportional to 826,013.84, 1,140,299.52 and 553,982.36 is: 764,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,013.84 : 1,140,299.52 = 553,982.36 : x
  2. Step 2: Convert to fraction form
    826,013.84/1,140,299.52 = 553,982.36/x
  3. Step 3: Cross multiply
    826,013.84x = 1,140,299.52 × 553,982.36
  4. Step 4: Simplify right side
    826,013.84x = 631,705,819,196.47
  5. Step 5: Solve for x
    x = 631,705,819,196.47/826,013.84
  6. Step 6: Final answer
    x = 764,764.21

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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.