Home / 763,772.79-1,054,025.04-419,631.03

Finding the Fourth Proportional to 763,772.79, 1,054,025.04 and 419,631.03

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Solution

The fourth proportional to 763,772.79, 1,054,025.04 and 419,631.03 is: 579,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,772.79 : 1,054,025.04 = 419,631.03 : x
  2. Step 2: Convert to fraction form
    763,772.79/1,054,025.04 = 419,631.03/x
  3. Step 3: Cross multiply
    763,772.79x = 1,054,025.04 × 419,631.03
  4. Step 4: Simplify right side
    763,772.79x = 442,301,613,180.99
  5. Step 5: Solve for x
    x = 442,301,613,180.99/763,772.79
  6. Step 6: Final answer
    x = 579,101.03

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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.