Home / 646,452.10-892,095.30-356,058.04

Finding the Fourth Proportional to 646,452.10, 892,095.30 and 356,058.04

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Solution

The fourth proportional to 646,452.10, 892,095.30 and 356,058.04 is: 491,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,452.10 : 892,095.30 = 356,058.04 : x
  2. Step 2: Convert to fraction form
    646,452.10/892,095.30 = 356,058.04/x
  3. Step 3: Cross multiply
    646,452.10x = 892,095.30 × 356,058.04
  4. Step 4: Simplify right side
    646,452.10x = 317,637,704,011.21
  5. Step 5: Solve for x
    x = 317,637,704,011.21/646,452.10
  6. Step 6: Final answer
    x = 491,355.36

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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.