Home / 500,028.47-690,041.10-270,585.73

Finding the Fourth Proportional to 500,028.47, 690,041.10 and 270,585.73

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Solution

The fourth proportional to 500,028.47, 690,041.10 and 270,585.73 is: 373,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,028.47 : 690,041.10 = 270,585.73 : x
  2. Step 2: Convert to fraction form
    500,028.47/690,041.10 = 270,585.73/x
  3. Step 3: Cross multiply
    500,028.47x = 690,041.10 × 270,585.73
  4. Step 4: Simplify right side
    500,028.47x = 186,715,274,456.34
  5. Step 5: Solve for x
    x = 186,715,274,456.34/500,028.47
  6. Step 6: Final answer
    x = 373,409.29

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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.