Home / 713,721.25-984,933.34-407,892.52

Finding the Fourth Proportional to 713,721.25, 984,933.34 and 407,892.52

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Solution

The fourth proportional to 713,721.25, 984,933.34 and 407,892.52 is: 562,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,721.25 : 984,933.34 = 407,892.52 : x
  2. Step 2: Convert to fraction form
    713,721.25/984,933.34 = 407,892.52/x
  3. Step 3: Cross multiply
    713,721.25x = 984,933.34 × 407,892.52
  4. Step 4: Simplify right side
    713,721.25x = 401,746,942,084.62
  5. Step 5: Solve for x
    x = 401,746,942,084.62/713,721.25
  6. Step 6: Final answer
    x = 562,890.54

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1.5x scale

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.