Home / 713,733.18-984,949.79-407,904.46

Finding the Fourth Proportional to 713,733.18, 984,949.79 and 407,904.46

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Solution

The fourth proportional to 713,733.18, 984,949.79 and 407,904.46 is: 562,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,733.18 : 984,949.79 = 407,904.46 : x
  2. Step 2: Convert to fraction form
    713,733.18/984,949.79 = 407,904.46/x
  3. Step 3: Cross multiply
    713,733.18x = 984,949.79 × 407,904.46
  4. Step 4: Simplify right side
    713,733.18x = 401,765,415,549.97
  5. Step 5: Solve for x
    x = 401,765,415,549.97/713,733.18
  6. Step 6: Final answer
    x = 562,907.02

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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.