Home / 841,968.60-1,262,070.72-392,318.76

Finding the Fourth Proportional to 841,968.60, 1,262,070.72 and 392,318.76

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Solution

The fourth proportional to 841,968.60, 1,262,070.72 and 392,318.76 is: 588,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,968.60 : 1,262,070.72 = 392,318.76 : x
  2. Step 2: Convert to fraction form
    841,968.60/1,262,070.72 = 392,318.76/x
  3. Step 3: Cross multiply
    841,968.60x = 1,262,070.72 × 392,318.76
  4. Step 4: Simplify right side
    841,968.60x = 495,134,019,902.71
  5. Step 5: Solve for x
    x = 495,134,019,902.71/841,968.60
  6. Step 6: Final answer
    x = 588,067.08

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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.