Home / 964,180.87-1,330,583.25-528,639.21

Finding the Fourth Proportional to 964,180.87, 1,330,583.25 and 528,639.21

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Solution

The fourth proportional to 964,180.87, 1,330,583.25 and 528,639.21 is: 729,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,180.87 : 1,330,583.25 = 528,639.21 : x
  2. Step 2: Convert to fraction form
    964,180.87/1,330,583.25 = 528,639.21/x
  3. Step 3: Cross multiply
    964,180.87x = 1,330,583.25 × 528,639.21
  4. Step 4: Simplify right side
    964,180.87x = 703,398,480,101.63
  5. Step 5: Solve for x
    x = 703,398,480,101.63/964,180.87
  6. Step 6: Final answer
    x = 729,529.60

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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.