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Finding the Fourth Proportional to 529,317.66, 730,491.03 and 302,958.30

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Solution

The fourth proportional to 529,317.66, 730,491.03 and 302,958.30 is: 418,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,317.66 : 730,491.03 = 302,958.30 : x
  2. Step 2: Convert to fraction form
    529,317.66/730,491.03 = 302,958.30/x
  3. Step 3: Cross multiply
    529,317.66x = 730,491.03 × 302,958.30
  4. Step 4: Simplify right side
    529,317.66x = 221,308,320,614.05
  5. Step 5: Solve for x
    x = 221,308,320,614.05/529,317.66
  6. Step 6: Final answer
    x = 418,101.15

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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.