Home / 959,865.28-1,439,803.31-320,167.26

Finding the Fourth Proportional to 959,865.28, 1,439,803.31 and 320,167.26

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Solution

The fourth proportional to 959,865.28, 1,439,803.31 and 320,167.26 is: 480,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,865.28 : 1,439,803.31 = 320,167.26 : x
  2. Step 2: Convert to fraction form
    959,865.28/1,439,803.31 = 320,167.26/x
  3. Step 3: Cross multiply
    959,865.28x = 1,439,803.31 × 320,167.26
  4. Step 4: Simplify right side
    959,865.28x = 460,977,882,552.76
  5. Step 5: Solve for x
    x = 460,977,882,552.76/959,865.28
  6. Step 6: Final answer
    x = 480,252.69

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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.