Home / 500,210.24-690,290.08-273,856.32

Finding the Fourth Proportional to 500,210.24, 690,290.08 and 273,856.32

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Solution

The fourth proportional to 500,210.24, 690,290.08 and 273,856.32 is: 377,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,210.24 : 690,290.08 = 273,856.32 : x
  2. Step 2: Convert to fraction form
    500,210.24/690,290.08 = 273,856.32/x
  3. Step 3: Cross multiply
    500,210.24x = 690,290.08 × 273,856.32
  4. Step 4: Simplify right side
    500,210.24x = 189,040,301,041.31
  5. Step 5: Solve for x
    x = 189,040,301,041.31/500,210.24
  6. Step 6: Final answer
    x = 377,921.69

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Double scale
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Similar ratio
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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.