Home / 500,434.76-690,601.38-270,994.76

Finding the Fourth Proportional to 500,434.76, 690,601.38 and 270,994.76

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Solution

The fourth proportional to 500,434.76, 690,601.38 and 270,994.76 is: 373,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,434.76 : 690,601.38 = 270,994.76 : x
  2. Step 2: Convert to fraction form
    500,434.76/690,601.38 = 270,994.76/x
  3. Step 3: Cross multiply
    500,434.76x = 690,601.38 × 270,994.76
  4. Step 4: Simplify right side
    500,434.76x = 187,149,355,228.77
  5. Step 5: Solve for x
    x = 187,149,355,228.77/500,434.76
  6. Step 6: Final answer
    x = 373,973.53

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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.