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Finding the Fourth Proportional to 529,227.60, 730,317.24 and 302,868.24

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Solution

The fourth proportional to 529,227.60, 730,317.24 and 302,868.24 is: 417,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,227.60 : 730,317.24 = 302,868.24 : x
  2. Step 2: Convert to fraction form
    529,227.60/730,317.24 = 302,868.24/x
  3. Step 3: Cross multiply
    529,227.60x = 730,317.24 × 302,868.24
  4. Step 4: Simplify right side
    529,227.60x = 221,189,897,120.46
  5. Step 5: Solve for x
    x = 221,189,897,120.46/529,227.60
  6. Step 6: Final answer
    x = 417,948.53

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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.