Home / 500,258.24-690,355.63-270,814.40

Finding the Fourth Proportional to 500,258.24, 690,355.63 and 270,814.40

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Solution

The fourth proportional to 500,258.24, 690,355.63 and 270,814.40 is: 373,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,258.24 : 690,355.63 = 270,814.40 : x
  2. Step 2: Convert to fraction form
    500,258.24/690,355.63 = 270,814.40/x
  3. Step 3: Cross multiply
    500,258.24x = 690,355.63 × 270,814.40
  4. Step 4: Simplify right side
    500,258.24x = 186,958,244,371.00
  5. Step 5: Solve for x
    x = 186,958,244,371.00/500,258.24
  6. Step 6: Final answer
    x = 373,723.47

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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.