Home / 808,780.76-1,116,078.50-441,236.01

Finding the Fourth Proportional to 808,780.76, 1,116,078.50 and 441,236.01

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Solution

The fourth proportional to 808,780.76, 1,116,078.50 and 441,236.01 is: 608,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,780.76 : 1,116,078.50 = 441,236.01 : x
  2. Step 2: Convert to fraction form
    808,780.76/1,116,078.50 = 441,236.01/x
  3. Step 3: Cross multiply
    808,780.76x = 1,116,078.50 × 441,236.01
  4. Step 4: Simplify right side
    808,780.76x = 492,454,021,980.61
  5. Step 5: Solve for x
    x = 492,454,021,980.61/808,780.76
  6. Step 6: Final answer
    x = 608,884.45

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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.