Home / 727,661.41-1,091,643.31-306,940.93

Finding the Fourth Proportional to 727,661.41, 1,091,643.31 and 306,940.93

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Solution

The fourth proportional to 727,661.41, 1,091,643.31 and 306,940.93 is: 460,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,661.41 : 1,091,643.31 = 306,940.93 : x
  2. Step 2: Convert to fraction form
    727,661.41/1,091,643.31 = 306,940.93/x
  3. Step 3: Cross multiply
    727,661.41x = 1,091,643.31 × 306,940.93
  4. Step 4: Simplify right side
    727,661.41x = 335,070,010,454.25
  5. Step 5: Solve for x
    x = 335,070,010,454.25/727,661.41
  6. Step 6: Final answer
    x = 460,475.17

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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.