Home / 495,001.28-682,585.32-293,758.40

Finding the Fourth Proportional to 495,001.28, 682,585.32 and 293,758.40

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Solution

The fourth proportional to 495,001.28, 682,585.32 and 293,758.40 is: 405,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,001.28 : 682,585.32 = 293,758.40 : x
  2. Step 2: Convert to fraction form
    495,001.28/682,585.32 = 293,758.40/x
  3. Step 3: Cross multiply
    495,001.28x = 682,585.32 × 293,758.40
  4. Step 4: Simplify right side
    495,001.28x = 200,515,171,466.69
  5. Step 5: Solve for x
    x = 200,515,171,466.69/495,001.28
  6. Step 6: Final answer
    x = 405,080.11

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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.