Home / 500,303.48-690,419.96-270,863.20

Finding the Fourth Proportional to 500,303.48, 690,419.96 and 270,863.20

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Solution

The fourth proportional to 500,303.48, 690,419.96 and 270,863.20 is: 373,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,303.48 : 690,419.96 = 270,863.20 : x
  2. Step 2: Convert to fraction form
    500,303.48/690,419.96 = 270,863.20/x
  3. Step 3: Cross multiply
    500,303.48x = 690,419.96 × 270,863.20
  4. Step 4: Simplify right side
    500,303.48x = 187,009,359,709.47
  5. Step 5: Solve for x
    x = 187,009,359,709.47/500,303.48
  6. Step 6: Final answer
    x = 373,791.84

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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.