Home / 500,334.40-690,460.32-273,977.92

Finding the Fourth Proportional to 500,334.40, 690,460.32 and 273,977.92

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Solution

The fourth proportional to 500,334.40, 690,460.32 and 273,977.92 is: 378,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,334.40 : 690,460.32 = 273,977.92 : x
  2. Step 2: Convert to fraction form
    500,334.40/690,460.32 = 273,977.92/x
  3. Step 3: Cross multiply
    500,334.40x = 690,460.32 × 273,977.92
  4. Step 4: Simplify right side
    500,334.40x = 189,170,882,316.13
  5. Step 5: Solve for x
    x = 189,170,882,316.13/500,334.40
  6. Step 6: Final answer
    x = 378,088.90

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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.