Home / 645,329.28-967,362.08-361,158.60

Finding the Fourth Proportional to 645,329.28, 967,362.08 and 361,158.60

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Solution

The fourth proportional to 645,329.28, 967,362.08 and 361,158.60 is: 541,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,329.28 : 967,362.08 = 361,158.60 : x
  2. Step 2: Convert to fraction form
    645,329.28/967,362.08 = 361,158.60/x
  3. Step 3: Cross multiply
    645,329.28x = 967,362.08 × 361,158.60
  4. Step 4: Simplify right side
    645,329.28x = 349,371,134,505.89
  5. Step 5: Solve for x
    x = 349,371,134,505.89/645,329.28
  6. Step 6: Final answer
    x = 541,384.29

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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.