Home / 529,945.54-731,317.70-288,222.92

Finding the Fourth Proportional to 529,945.54, 731,317.70 and 288,222.92

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Solution

The fourth proportional to 529,945.54, 731,317.70 and 288,222.92 is: 397,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,945.54 : 731,317.70 = 288,222.92 : x
  2. Step 2: Convert to fraction form
    529,945.54/731,317.70 = 288,222.92/x
  3. Step 3: Cross multiply
    529,945.54x = 731,317.70 × 288,222.92
  4. Step 4: Simplify right side
    529,945.54x = 210,782,522,941.68
  5. Step 5: Solve for x
    x = 210,782,522,941.68/529,945.54
  6. Step 6: Final answer
    x = 397,743.74

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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.