Home / 959,576.40-1,438,673.40-538,981.20

Finding the Fourth Proportional to 959,576.40, 1,438,673.40 and 538,981.20

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Solution

The fourth proportional to 959,576.40, 1,438,673.40 and 538,981.20 is: 808,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,576.40 : 1,438,673.40 = 538,981.20 : x
  2. Step 2: Convert to fraction form
    959,576.40/1,438,673.40 = 538,981.20/x
  3. Step 3: Cross multiply
    959,576.40x = 1,438,673.40 × 538,981.20
  4. Step 4: Simplify right side
    959,576.40x = 775,417,915,540.08
  5. Step 5: Solve for x
    x = 775,417,915,540.08/959,576.40
  6. Step 6: Final answer
    x = 808,083.56

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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.