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Finding the Fourth Proportional to 532,846.80, 735,339.16 and 291,144.37

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Solution

The fourth proportional to 532,846.80, 735,339.16 and 291,144.37 is: 401,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,846.80 : 735,339.16 = 291,144.37 : x
  2. Step 2: Convert to fraction form
    532,846.80/735,339.16 = 291,144.37/x
  3. Step 3: Cross multiply
    532,846.80x = 735,339.16 × 291,144.37
  4. Step 4: Simplify right side
    532,846.80x = 214,089,853,908.32
  5. Step 5: Solve for x
    x = 214,089,853,908.32/532,846.80
  6. Step 6: Final answer
    x = 401,785.00

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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.