Home / 500,370.89-690,508.93-270,923.44

Finding the Fourth Proportional to 500,370.89, 690,508.93 and 270,923.44

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Solution

The fourth proportional to 500,370.89, 690,508.93 and 270,923.44 is: 373,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,370.89 : 690,508.93 = 270,923.44 : x
  2. Step 2: Convert to fraction form
    500,370.89/690,508.93 = 270,923.44/x
  3. Step 3: Cross multiply
    500,370.89x = 690,508.93 × 270,923.44
  4. Step 4: Simplify right side
    500,370.89x = 187,075,054,666.32
  5. Step 5: Solve for x
    x = 187,075,054,666.32/500,370.89
  6. Step 6: Final answer
    x = 373,872.78

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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.