Home / 727,907.30-1,091,569.35-254,348.90

Finding the Fourth Proportional to 727,907.30, 1,091,569.35 and 254,348.90

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Solution

The fourth proportional to 727,907.30, 1,091,569.35 and 254,348.90 is: 381,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,907.30 : 1,091,569.35 = 254,348.90 : x
  2. Step 2: Convert to fraction form
    727,907.30/1,091,569.35 = 254,348.90/x
  3. Step 3: Cross multiply
    727,907.30x = 1,091,569.35 × 254,348.90
  4. Step 4: Simplify right side
    727,907.30x = 277,639,463,446.22
  5. Step 5: Solve for x
    x = 277,639,463,446.22/727,907.30
  6. Step 6: Final answer
    x = 381,421.46

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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.