Home / 841,938.62-1,262,025.81-392,288.72

Finding the Fourth Proportional to 841,938.62, 1,262,025.81 and 392,288.72

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Solution

The fourth proportional to 841,938.62, 1,262,025.81 and 392,288.72 is: 588,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,938.62 : 1,262,025.81 = 392,288.72 : x
  2. Step 2: Convert to fraction form
    841,938.62/1,262,025.81 = 392,288.72/x
  3. Step 3: Cross multiply
    841,938.62x = 1,262,025.81 × 392,288.72
  4. Step 4: Simplify right side
    841,938.62x = 495,078,483,301.73
  5. Step 5: Solve for x
    x = 495,078,483,301.73/841,938.62
  6. Step 6: Final answer
    x = 588,022.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.