Home / 855,187.64-1,282,402.38-455,753.96

Finding the Fourth Proportional to 855,187.64, 1,282,402.38 and 455,753.96

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Solution

The fourth proportional to 855,187.64, 1,282,402.38 and 455,753.96 is: 683,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,187.64 : 1,282,402.38 = 455,753.96 : x
  2. Step 2: Convert to fraction form
    855,187.64/1,282,402.38 = 455,753.96/x
  3. Step 3: Cross multiply
    855,187.64x = 1,282,402.38 × 455,753.96
  4. Step 4: Simplify right side
    855,187.64x = 584,459,962,998.43
  5. Step 5: Solve for x
    x = 584,459,962,998.43/855,187.64
  6. Step 6: Final answer
    x = 683,428.92

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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.