Home / 763,767.66-1,054,000.01-419,604.25

Finding the Fourth Proportional to 763,767.66, 1,054,000.01 and 419,604.25

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Solution

The fourth proportional to 763,767.66, 1,054,000.01 and 419,604.25 is: 579,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,767.66 : 1,054,000.01 = 419,604.25 : x
  2. Step 2: Convert to fraction form
    763,767.66/1,054,000.01 = 419,604.25/x
  3. Step 3: Cross multiply
    763,767.66x = 1,054,000.01 × 419,604.25
  4. Step 4: Simplify right side
    763,767.66x = 442,262,884,086.30
  5. Step 5: Solve for x
    x = 442,262,884,086.30/763,767.66
  6. Step 6: Final answer
    x = 579,054.22

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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.