Home / 804,983.52-1,110,903.89-442,420.23

Finding the Fourth Proportional to 804,983.52, 1,110,903.89 and 442,420.23

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Solution

The fourth proportional to 804,983.52, 1,110,903.89 and 442,420.23 is: 610,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,983.52 : 1,110,903.89 = 442,420.23 : x
  2. Step 2: Convert to fraction form
    804,983.52/1,110,903.89 = 442,420.23/x
  3. Step 3: Cross multiply
    804,983.52x = 1,110,903.89 × 442,420.23
  4. Step 4: Simplify right side
    804,983.52x = 491,486,351,470.96
  5. Step 5: Solve for x
    x = 491,486,351,470.96/804,983.52
  6. Step 6: Final answer
    x = 610,554.55

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1.5x scale

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.