Home / 803,856.44-1,109,293.16-454,989.35

Finding the Fourth Proportional to 803,856.44, 1,109,293.16 and 454,989.35

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Solution

The fourth proportional to 803,856.44, 1,109,293.16 and 454,989.35 is: 627,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,856.44 : 1,109,293.16 = 454,989.35 : x
  2. Step 2: Convert to fraction form
    803,856.44/1,109,293.16 = 454,989.35/x
  3. Step 3: Cross multiply
    803,856.44x = 1,109,293.16 × 454,989.35
  4. Step 4: Simplify right side
    803,856.44x = 504,716,574,326.13
  5. Step 5: Solve for x
    x = 504,716,574,326.13/803,856.44
  6. Step 6: Final answer
    x = 627,869.04

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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.