Home / 495,015.04-683,116.74-268,660.60

Finding the Fourth Proportional to 495,015.04, 683,116.74 and 268,660.60

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Solution

The fourth proportional to 495,015.04, 683,116.74 and 268,660.60 is: 370,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,015.04 : 683,116.74 = 268,660.60 : x
  2. Step 2: Convert to fraction form
    495,015.04/683,116.74 = 268,660.60/x
  3. Step 3: Cross multiply
    495,015.04x = 683,116.74 × 268,660.60
  4. Step 4: Simplify right side
    495,015.04x = 183,526,553,238.44
  5. Step 5: Solve for x
    x = 183,526,553,238.44/495,015.04
  6. Step 6: Final answer
    x = 370,749.45

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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.