Home / 646,966.20-892,816.89-375,195.21

Finding the Fourth Proportional to 646,966.20, 892,816.89 and 375,195.21

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Solution

The fourth proportional to 646,966.20, 892,816.89 and 375,195.21 is: 517,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,966.20 : 892,816.89 = 375,195.21 : x
  2. Step 2: Convert to fraction form
    646,966.20/892,816.89 = 375,195.21/x
  3. Step 3: Cross multiply
    646,966.20x = 892,816.89 × 375,195.21
  4. Step 4: Simplify right side
    646,966.20x = 334,980,620,535.10
  5. Step 5: Solve for x
    x = 334,980,620,535.10/646,966.20
  6. Step 6: Final answer
    x = 517,771.44

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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.