Home / 763,440.32-1,145,220.54-202,474.82

Finding the Fourth Proportional to 763,440.32, 1,145,220.54 and 202,474.82

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Solution

The fourth proportional to 763,440.32, 1,145,220.54 and 202,474.82 is: 303,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,440.32 : 1,145,220.54 = 202,474.82 : x
  2. Step 2: Convert to fraction form
    763,440.32/1,145,220.54 = 202,474.82/x
  3. Step 3: Cross multiply
    763,440.32x = 1,145,220.54 × 202,474.82
  4. Step 4: Simplify right side
    763,440.32x = 231,878,322,696.80
  5. Step 5: Solve for x
    x = 231,878,322,696.80/763,440.32
  6. Step 6: Final answer
    x = 303,728.16

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Double scale
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1.5x scale

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.