Home / 495,038.22-683,134.47-268,678.86

Finding the Fourth Proportional to 495,038.22, 683,134.47 and 268,678.86

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Solution

The fourth proportional to 495,038.22, 683,134.47 and 268,678.86 is: 370,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,038.22 : 683,134.47 = 268,678.86 : x
  2. Step 2: Convert to fraction form
    495,038.22/683,134.47 = 268,678.86/x
  3. Step 3: Cross multiply
    495,038.22x = 683,134.47 × 268,678.86
  4. Step 4: Simplify right side
    495,038.22x = 183,543,790,626.30
  5. Step 5: Solve for x
    x = 183,543,790,626.30/495,038.22
  6. Step 6: Final answer
    x = 370,766.91

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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.