Home / 500,025.42-690,029.73-270,577.67

Finding the Fourth Proportional to 500,025.42, 690,029.73 and 270,577.67

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Solution

The fourth proportional to 500,025.42, 690,029.73 and 270,577.67 is: 373,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,025.42 : 690,029.73 = 270,577.67 : x
  2. Step 2: Convert to fraction form
    500,025.42/690,029.73 = 270,577.67/x
  3. Step 3: Cross multiply
    500,025.42x = 690,029.73 × 270,577.67
  4. Step 4: Simplify right side
    500,025.42x = 186,706,633,123.98
  5. Step 5: Solve for x
    x = 186,706,633,123.98/500,025.42
  6. Step 6: Final answer
    x = 373,394.28

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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.