Home / 774,554.40-1,161,832.51-242,078.22

Finding the Fourth Proportional to 774,554.40, 1,161,832.51 and 242,078.22

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Solution

The fourth proportional to 774,554.40, 1,161,832.51 and 242,078.22 is: 363,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,554.40 : 1,161,832.51 = 242,078.22 : x
  2. Step 2: Convert to fraction form
    774,554.40/1,161,832.51 = 242,078.22/x
  3. Step 3: Cross multiply
    774,554.40x = 1,161,832.51 × 242,078.22
  4. Step 4: Simplify right side
    774,554.40x = 281,254,346,261.53
  5. Step 5: Solve for x
    x = 281,254,346,261.53/774,554.40
  6. Step 6: Final answer
    x = 363,117.61

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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.