Home / 495,243.20-683,443.08-268,888.64

Finding the Fourth Proportional to 495,243.20, 683,443.08 and 268,888.64

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Solution

The fourth proportional to 495,243.20, 683,443.08 and 268,888.64 is: 371,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,243.20 : 683,443.08 = 268,888.64 : x
  2. Step 2: Convert to fraction form
    495,243.20/683,443.08 = 268,888.64/x
  3. Step 3: Cross multiply
    495,243.20x = 683,443.08 × 268,888.64
  4. Step 4: Simplify right side
    495,243.20x = 183,770,080,298.61
  5. Step 5: Solve for x
    x = 183,770,080,298.61/495,243.20
  6. Step 6: Final answer
    x = 371,070.38

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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.