Home / 500,028.94-690,041.76-270,586.20

Finding the Fourth Proportional to 500,028.94, 690,041.76 and 270,586.20

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Solution

The fourth proportional to 500,028.94, 690,041.76 and 270,586.20 is: 373,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,028.94 : 690,041.76 = 270,586.20 : x
  2. Step 2: Convert to fraction form
    500,028.94/690,041.76 = 270,586.20/x
  3. Step 3: Cross multiply
    500,028.94x = 690,041.76 × 270,586.20
  4. Step 4: Simplify right side
    500,028.94x = 186,715,776,326.78
  5. Step 5: Solve for x
    x = 186,715,776,326.78/500,028.94
  6. Step 6: Final answer
    x = 373,409.94

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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.