Home / 727,759.66-1,004,315.19-401,084.45

Finding the Fourth Proportional to 727,759.66, 1,004,315.19 and 401,084.45

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Solution

The fourth proportional to 727,759.66, 1,004,315.19 and 401,084.45 is: 553,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,759.66 : 1,004,315.19 = 401,084.45 : x
  2. Step 2: Convert to fraction form
    727,759.66/1,004,315.19 = 401,084.45/x
  3. Step 3: Cross multiply
    727,759.66x = 1,004,315.19 × 401,084.45
  4. Step 4: Simplify right side
    727,759.66x = 402,815,204,099.72
  5. Step 5: Solve for x
    x = 402,815,204,099.72/727,759.66
  6. Step 6: Final answer
    x = 553,500.32

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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.