Home / 801,358.77-1,105,840.80-438,776.04

Finding the Fourth Proportional to 801,358.77, 1,105,840.80 and 438,776.04

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Solution

The fourth proportional to 801,358.77, 1,105,840.80 and 438,776.04 is: 605,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,358.77 : 1,105,840.80 = 438,776.04 : x
  2. Step 2: Convert to fraction form
    801,358.77/1,105,840.80 = 438,776.04/x
  3. Step 3: Cross multiply
    801,358.77x = 1,105,840.80 × 438,776.04
  4. Step 4: Simplify right side
    801,358.77x = 485,216,447,094.43
  5. Step 5: Solve for x
    x = 485,216,447,094.43/801,358.77
  6. Step 6: Final answer
    x = 605,492.15

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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.