Home / 500,256.27-690,346.80-273,901.77

Finding the Fourth Proportional to 500,256.27, 690,346.80 and 273,901.77

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Solution

The fourth proportional to 500,256.27, 690,346.80 and 273,901.77 is: 377,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,256.27 : 690,346.80 = 273,901.77 : x
  2. Step 2: Convert to fraction form
    500,256.27/690,346.80 = 273,901.77/x
  3. Step 3: Cross multiply
    500,256.27x = 690,346.80 × 273,901.77
  4. Step 4: Simplify right side
    500,256.27x = 189,087,210,433.84
  5. Step 5: Solve for x
    x = 189,087,210,433.84/500,256.27
  6. Step 6: Final answer
    x = 377,980.69

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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.