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Finding the Fourth Proportional to 670,709.79, 925,581.93 and 364,786.15

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Solution

The fourth proportional to 670,709.79, 925,581.93 and 364,786.15 is: 503,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,709.79 : 925,581.93 = 364,786.15 : x
  2. Step 2: Convert to fraction form
    670,709.79/925,581.93 = 364,786.15/x
  3. Step 3: Cross multiply
    670,709.79x = 925,581.93 × 364,786.15
  4. Step 4: Simplify right side
    670,709.79x = 337,639,468,754.27
  5. Step 5: Solve for x
    x = 337,639,468,754.27/670,709.79
  6. Step 6: Final answer
    x = 503,406.20

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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.