Home / 646,943.16-892,785.23-375,172.42

Finding the Fourth Proportional to 646,943.16, 892,785.23 and 375,172.42

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Solution

The fourth proportional to 646,943.16, 892,785.23 and 375,172.42 is: 517,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,943.16 : 892,785.23 = 375,172.42 : x
  2. Step 2: Convert to fraction form
    646,943.16/892,785.23 = 375,172.42/x
  3. Step 3: Cross multiply
    646,943.16x = 892,785.23 × 375,172.42
  4. Step 4: Simplify right side
    646,943.16x = 334,948,394,252.40
  5. Step 5: Solve for x
    x = 334,948,394,252.40/646,943.16
  6. Step 6: Final answer
    x = 517,740.06

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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.