Home / 637,742.54-880,051.46-396,019.91

Finding the Fourth Proportional to 637,742.54, 880,051.46 and 396,019.91

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Solution

The fourth proportional to 637,742.54, 880,051.46 and 396,019.91 is: 546,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.54 : 880,051.46 = 396,019.91 : x
  2. Step 2: Convert to fraction form
    637,742.54/880,051.46 = 396,019.91/x
  3. Step 3: Cross multiply
    637,742.54x = 880,051.46 × 396,019.91
  4. Step 4: Simplify right side
    637,742.54x = 348,517,893,604.21
  5. Step 5: Solve for x
    x = 348,517,893,604.21/637,742.54
  6. Step 6: Final answer
    x = 546,486.83

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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.