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Finding the Fourth Proportional to 510,825.08, 704,202.15 and 357,387.90

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Solution

The fourth proportional to 510,825.08, 704,202.15 and 357,387.90 is: 492,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,825.08 : 704,202.15 = 357,387.90 : x
  2. Step 2: Convert to fraction form
    510,825.08/704,202.15 = 357,387.90/x
  3. Step 3: Cross multiply
    510,825.08x = 704,202.15 × 357,387.90
  4. Step 4: Simplify right side
    510,825.08x = 251,673,326,263.43
  5. Step 5: Solve for x
    x = 251,673,326,263.43/510,825.08
  6. Step 6: Final answer
    x = 492,680.05

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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.