Home / 727,966.10-1,091,621.10-278,537.60

Finding the Fourth Proportional to 727,966.10, 1,091,621.10 and 278,537.60

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Solution

The fourth proportional to 727,966.10, 1,091,621.10 and 278,537.60 is: 417,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,966.10 : 1,091,621.10 = 278,537.60 : x
  2. Step 2: Convert to fraction form
    727,966.10/1,091,621.10 = 278,537.60/x
  3. Step 3: Cross multiply
    727,966.10x = 1,091,621.10 × 278,537.60
  4. Step 4: Simplify right side
    727,966.10x = 304,057,521,303.36
  5. Step 5: Solve for x
    x = 304,057,521,303.36/727,966.10
  6. Step 6: Final answer
    x = 417,680.88

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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.