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Finding the Fourth Proportional to 670,707.28, 925,578.48 and 364,783.65

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Solution

The fourth proportional to 670,707.28, 925,578.48 and 364,783.65 is: 503,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,707.28 : 925,578.48 = 364,783.65 : x
  2. Step 2: Convert to fraction form
    670,707.28/925,578.48 = 364,783.65/x
  3. Step 3: Cross multiply
    670,707.28x = 925,578.48 × 364,783.65
  4. Step 4: Simplify right side
    670,707.28x = 337,635,892,140.96
  5. Step 5: Solve for x
    x = 337,635,892,140.96/670,707.28
  6. Step 6: Final answer
    x = 503,402.75

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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.