Home / 572,441.40-789,972.66-314,329.50

Finding the Fourth Proportional to 572,441.40, 789,972.66 and 314,329.50

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Solution

The fourth proportional to 572,441.40, 789,972.66 and 314,329.50 is: 433,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,441.40 : 789,972.66 = 314,329.50 : x
  2. Step 2: Convert to fraction form
    572,441.40/789,972.66 = 314,329.50/x
  3. Step 3: Cross multiply
    572,441.40x = 789,972.66 × 314,329.50
  4. Step 4: Simplify right side
    572,441.40x = 248,311,711,231.47
  5. Step 5: Solve for x
    x = 248,311,711,231.47/572,441.40
  6. Step 6: Final answer
    x = 433,776.65

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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.