Home / 500,029.17-690,034.91-270,581.42

Finding the Fourth Proportional to 500,029.17, 690,034.91 and 270,581.42

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Solution

The fourth proportional to 500,029.17, 690,034.91 and 270,581.42 is: 373,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,029.17 : 690,034.91 = 270,581.42 : x
  2. Step 2: Convert to fraction form
    500,029.17/690,034.91 = 270,581.42/x
  3. Step 3: Cross multiply
    500,029.17x = 690,034.91 × 270,581.42
  4. Step 4: Simplify right side
    500,029.17x = 186,710,620,994.29
  5. Step 5: Solve for x
    x = 186,710,620,994.29/500,029.17
  6. Step 6: Final answer
    x = 373,399.46

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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.