Home / 495,005.88-683,108.40-268,651.38

Finding the Fourth Proportional to 495,005.88, 683,108.40 and 268,651.38

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Solution

The fourth proportional to 495,005.88, 683,108.40 and 268,651.38 is: 370,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,005.88 : 683,108.40 = 268,651.38 : x
  2. Step 2: Convert to fraction form
    495,005.88/683,108.40 = 268,651.38/x
  3. Step 3: Cross multiply
    495,005.88x = 683,108.40 × 268,651.38
  4. Step 4: Simplify right side
    495,005.88x = 183,518,014,349.59
  5. Step 5: Solve for x
    x = 183,518,014,349.59/495,005.88
  6. Step 6: Final answer
    x = 370,739.06

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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.