Home / 804,055.79-1,109,612.86-441,476.48

Finding the Fourth Proportional to 804,055.79, 1,109,612.86 and 441,476.48

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Solution

The fourth proportional to 804,055.79, 1,109,612.86 and 441,476.48 is: 609,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,055.79 : 1,109,612.86 = 441,476.48 : x
  2. Step 2: Convert to fraction form
    804,055.79/1,109,612.86 = 441,476.48/x
  3. Step 3: Cross multiply
    804,055.79x = 1,109,612.86 × 441,476.48
  4. Step 4: Simplify right side
    804,055.79x = 489,867,979,595.53
  5. Step 5: Solve for x
    x = 489,867,979,595.53/804,055.79
  6. Step 6: Final answer
    x = 609,246.26

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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.