Home / 664,085.28-916,452.24-362,279.04

Finding the Fourth Proportional to 664,085.28, 916,452.24 and 362,279.04

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Solution

The fourth proportional to 664,085.28, 916,452.24 and 362,279.04 is: 499,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,085.28 : 916,452.24 = 362,279.04 : x
  2. Step 2: Convert to fraction form
    664,085.28/916,452.24 = 362,279.04/x
  3. Step 3: Cross multiply
    664,085.28x = 916,452.24 × 362,279.04
  4. Step 4: Simplify right side
    664,085.28x = 332,011,437,713.05
  5. Step 5: Solve for x
    x = 332,011,437,713.05/664,085.28
  6. Step 6: Final answer
    x = 499,953.01

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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.