Home / 495,446.58-683,693.37-280,588.19

Finding the Fourth Proportional to 495,446.58, 683,693.37 and 280,588.19

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Solution

The fourth proportional to 495,446.58, 683,693.37 and 280,588.19 is: 387,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,446.58 : 683,693.37 = 280,588.19 : x
  2. Step 2: Convert to fraction form
    495,446.58/683,693.37 = 280,588.19/x
  3. Step 3: Cross multiply
    495,446.58x = 683,693.37 × 280,588.19
  4. Step 4: Simplify right side
    495,446.58x = 191,836,281,784.83
  5. Step 5: Solve for x
    x = 191,836,281,784.83/495,446.58
  6. Step 6: Final answer
    x = 387,198.72

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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.