Home / 672,563.20-1,009,235.76-252,132.16

Finding the Fourth Proportional to 672,563.20, 1,009,235.76 and 252,132.16

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Solution

The fourth proportional to 672,563.20, 1,009,235.76 and 252,132.16 is: 378,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,563.20 : 1,009,235.76 = 252,132.16 : x
  2. Step 2: Convert to fraction form
    672,563.20/1,009,235.76 = 252,132.16/x
  3. Step 3: Cross multiply
    672,563.20x = 1,009,235.76 × 252,132.16
  4. Step 4: Simplify right side
    672,563.20x = 254,460,792,118.04
  5. Step 5: Solve for x
    x = 254,460,792,118.04/672,563.20
  6. Step 6: Final answer
    x = 378,344.80

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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.