Home / 495,040.72-683,137.92-268,681.36

Finding the Fourth Proportional to 495,040.72, 683,137.92 and 268,681.36

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Solution

The fourth proportional to 495,040.72, 683,137.92 and 268,681.36 is: 370,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,040.72 : 683,137.92 = 268,681.36 : x
  2. Step 2: Convert to fraction form
    495,040.72/683,137.92 = 268,681.36/x
  3. Step 3: Cross multiply
    495,040.72x = 683,137.92 × 268,681.36
  4. Step 4: Simplify right side
    495,040.72x = 183,546,425,413.17
  5. Step 5: Solve for x
    x = 183,546,425,413.17/495,040.72
  6. Step 6: Final answer
    x = 370,770.36

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1.5x scale

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.