Home / 547,345.10-821,017.65-460,739.90

Finding the Fourth Proportional to 547,345.10, 821,017.65 and 460,739.90

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Solution

The fourth proportional to 547,345.10, 821,017.65 and 460,739.90 is: 691,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,345.10 : 821,017.65 = 460,739.90 : x
  2. Step 2: Convert to fraction form
    547,345.10/821,017.65 = 460,739.90/x
  3. Step 3: Cross multiply
    547,345.10x = 821,017.65 × 460,739.90
  4. Step 4: Simplify right side
    547,345.10x = 378,275,589,959.24
  5. Step 5: Solve for x
    x = 378,275,589,959.24/547,345.10
  6. Step 6: Final answer
    x = 691,109.85

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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.