Home / 407,919.48-563,009.79-260,650.14

Finding the Fourth Proportional to 407,919.48, 563,009.79 and 260,650.14

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Solution

The fourth proportional to 407,919.48, 563,009.79 and 260,650.14 is: 359,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,919.48 : 563,009.79 = 260,650.14 : x
  2. Step 2: Convert to fraction form
    407,919.48/563,009.79 = 260,650.14/x
  3. Step 3: Cross multiply
    407,919.48x = 563,009.79 × 260,650.14
  4. Step 4: Simplify right side
    407,919.48x = 146,748,580,584.87
  5. Step 5: Solve for x
    x = 146,748,580,584.87/407,919.48
  6. Step 6: Final answer
    x = 359,748.89

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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.