Home / 646,961.91-892,810.97-375,190.93

Finding the Fourth Proportional to 646,961.91, 892,810.97 and 375,190.93

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Solution

The fourth proportional to 646,961.91, 892,810.97 and 375,190.93 is: 517,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,961.91 : 892,810.97 = 375,190.93 : x
  2. Step 2: Convert to fraction form
    646,961.91/892,810.97 = 375,190.93/x
  3. Step 3: Cross multiply
    646,961.91x = 892,810.97 × 375,190.93
  4. Step 4: Simplify right side
    646,961.91x = 334,974,578,148.50
  5. Step 5: Solve for x
    x = 334,974,578,148.50/646,961.91
  6. Step 6: Final answer
    x = 517,765.53

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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.