Home / 500,028.97-690,041.80-270,586.23

Finding the Fourth Proportional to 500,028.97, 690,041.80 and 270,586.23

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Solution

The fourth proportional to 500,028.97, 690,041.80 and 270,586.23 is: 373,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,028.97 : 690,041.80 = 270,586.23 : x
  2. Step 2: Convert to fraction form
    500,028.97/690,041.80 = 270,586.23/x
  3. Step 3: Cross multiply
    500,028.97x = 690,041.80 × 270,586.23
  4. Step 4: Simplify right side
    500,028.97x = 186,715,809,204.41
  5. Step 5: Solve for x
    x = 186,715,809,204.41/500,028.97
  6. Step 6: Final answer
    x = 373,409.98

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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.