Home / 476,288.12-657,286.10-261,448.18

Finding the Fourth Proportional to 476,288.12, 657,286.10 and 261,448.18

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Solution

The fourth proportional to 476,288.12, 657,286.10 and 261,448.18 is: 360,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,288.12 : 657,286.10 = 261,448.18 : x
  2. Step 2: Convert to fraction form
    476,288.12/657,286.10 = 261,448.18/x
  3. Step 3: Cross multiply
    476,288.12x = 657,286.10 × 261,448.18
  4. Step 4: Simplify right side
    476,288.12x = 171,846,254,584.30
  5. Step 5: Solve for x
    x = 171,846,254,584.30/476,288.12
  6. Step 6: Final answer
    x = 360,803.15

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1.5x scale

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.