Home / 500,273.45-690,374.19-270,829.06

Finding the Fourth Proportional to 500,273.45, 690,374.19 and 270,829.06

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Solution

The fourth proportional to 500,273.45, 690,374.19 and 270,829.06 is: 373,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,273.45 : 690,374.19 = 270,829.06 : x
  2. Step 2: Convert to fraction form
    500,273.45/690,374.19 = 270,829.06/x
  3. Step 3: Cross multiply
    500,273.45x = 690,374.19 × 270,829.06
  4. Step 4: Simplify right side
    500,273.45x = 186,973,392,925.96
  5. Step 5: Solve for x
    x = 186,973,392,925.96/500,273.45
  6. Step 6: Final answer
    x = 373,742.39

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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.