Home / 672,983.64-1,009,771.92-318,252.24

Finding the Fourth Proportional to 672,983.64, 1,009,771.92 and 318,252.24

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Solution

The fourth proportional to 672,983.64, 1,009,771.92 and 318,252.24 is: 477,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,983.64 : 1,009,771.92 = 318,252.24 : x
  2. Step 2: Convert to fraction form
    672,983.64/1,009,771.92 = 318,252.24/x
  3. Step 3: Cross multiply
    672,983.64x = 1,009,771.92 × 318,252.24
  4. Step 4: Simplify right side
    672,983.64x = 321,362,175,429.10
  5. Step 5: Solve for x
    x = 321,362,175,429.10/672,983.64
  6. Step 6: Final answer
    x = 477,518.56

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1.5x scale

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.