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Finding the Fourth Proportional to 509,697.03, 764,637.72 and 210,010.89

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Solution

The fourth proportional to 509,697.03, 764,637.72 and 210,010.89 is: 315,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,697.03 : 764,637.72 = 210,010.89 : x
  2. Step 2: Convert to fraction form
    509,697.03/764,637.72 = 210,010.89/x
  3. Step 3: Cross multiply
    509,697.03x = 764,637.72 × 210,010.89
  4. Step 4: Simplify right side
    509,697.03x = 160,582,248,104.77
  5. Step 5: Solve for x
    x = 160,582,248,104.77/509,697.03
  6. Step 6: Final answer
    x = 315,054.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.