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Finding the Fourth Proportional to 529,365.16, 730,596.90 and 325,544.68

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Solution

The fourth proportional to 529,365.16, 730,596.90 and 325,544.68 is: 449,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,365.16 : 730,596.90 = 325,544.68 : x
  2. Step 2: Convert to fraction form
    529,365.16/730,596.90 = 325,544.68/x
  3. Step 3: Cross multiply
    529,365.16x = 730,596.90 × 325,544.68
  4. Step 4: Simplify right side
    529,365.16x = 237,841,934,019.49
  5. Step 5: Solve for x
    x = 237,841,934,019.49/529,365.16
  6. Step 6: Final answer
    x = 449,296.54

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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.