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Finding the Fourth Proportional to 670,384.25, 925,148.51 and 364,481.21

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Solution

The fourth proportional to 670,384.25, 925,148.51 and 364,481.21 is: 502,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,384.25 : 925,148.51 = 364,481.21 : x
  2. Step 2: Convert to fraction form
    670,384.25/925,148.51 = 364,481.21/x
  3. Step 3: Cross multiply
    670,384.25x = 925,148.51 × 364,481.21
  4. Step 4: Simplify right side
    670,384.25x = 337,199,248,354.50
  5. Step 5: Solve for x
    x = 337,199,248,354.50/670,384.25
  6. Step 6: Final answer
    x = 502,993.99

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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.