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Finding the Fourth Proportional to 532,886.46, 735,388.47 and 291,169.02

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Solution

The fourth proportional to 532,886.46, 735,388.47 and 291,169.02 is: 401,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,886.46 : 735,388.47 = 291,169.02 : x
  2. Step 2: Convert to fraction form
    532,886.46/735,388.47 = 291,169.02/x
  3. Step 3: Cross multiply
    532,886.46x = 735,388.47 × 291,169.02
  4. Step 4: Simplify right side
    532,886.46x = 214,122,340,129.20
  5. Step 5: Solve for x
    x = 214,122,340,129.20/532,886.46
  6. Step 6: Final answer
    x = 401,816.06

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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.