Home / 500,027.96-690,040.40-270,585.22

Finding the Fourth Proportional to 500,027.96, 690,040.40 and 270,585.22

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Solution

The fourth proportional to 500,027.96, 690,040.40 and 270,585.22 is: 373,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,027.96 : 690,040.40 = 270,585.22 : x
  2. Step 2: Convert to fraction form
    500,027.96/690,040.40 = 270,585.22/x
  3. Step 3: Cross multiply
    500,027.96x = 690,040.40 × 270,585.22
  4. Step 4: Simplify right side
    500,027.96x = 186,714,729,117.39
  5. Step 5: Solve for x
    x = 186,714,729,117.39/500,027.96
  6. Step 6: Final answer
    x = 373,408.58

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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.