Home / 785,867.68-1,179,018.96-312,885.04

Finding the Fourth Proportional to 785,867.68, 1,179,018.96 and 312,885.04

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Solution

The fourth proportional to 785,867.68, 1,179,018.96 and 312,885.04 is: 469,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,867.68 : 1,179,018.96 = 312,885.04 : x
  2. Step 2: Convert to fraction form
    785,867.68/1,179,018.96 = 312,885.04/x
  3. Step 3: Cross multiply
    785,867.68x = 1,179,018.96 × 312,885.04
  4. Step 4: Simplify right side
    785,867.68x = 368,897,394,460.36
  5. Step 5: Solve for x
    x = 368,897,394,460.36/785,867.68
  6. Step 6: Final answer
    x = 469,414.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.