Home / 500,336.19-690,462.90-270,892.35

Finding the Fourth Proportional to 500,336.19, 690,462.90 and 270,892.35

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Solution

The fourth proportional to 500,336.19, 690,462.90 and 270,892.35 is: 373,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,336.19 : 690,462.90 = 270,892.35 : x
  2. Step 2: Convert to fraction form
    500,336.19/690,462.90 = 270,892.35/x
  3. Step 3: Cross multiply
    500,336.19x = 690,462.90 × 270,892.35
  4. Step 4: Simplify right side
    500,336.19x = 187,041,117,568.82
  5. Step 5: Solve for x
    x = 187,041,117,568.82/500,336.19
  6. Step 6: Final answer
    x = 373,830.88

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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.