Home / 646,972.98-970,634.19-197,681.58

Finding the Fourth Proportional to 646,972.98, 970,634.19 and 197,681.58

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Solution

The fourth proportional to 646,972.98, 970,634.19 and 197,681.58 is: 296,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,972.98 : 970,634.19 = 197,681.58 : x
  2. Step 2: Convert to fraction form
    646,972.98/970,634.19 = 197,681.58/x
  3. Step 3: Cross multiply
    646,972.98x = 970,634.19 × 197,681.58
  4. Step 4: Simplify right side
    646,972.98x = 191,876,500,281.22
  5. Step 5: Solve for x
    x = 191,876,500,281.22/646,972.98
  6. Step 6: Final answer
    x = 296,575.76

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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.