Home / 817,641.81-1,226,511.90-344,364.03

Finding the Fourth Proportional to 817,641.81, 1,226,511.90 and 344,364.03

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Solution

The fourth proportional to 817,641.81, 1,226,511.90 and 344,364.03 is: 516,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,641.81 : 1,226,511.90 = 344,364.03 : x
  2. Step 2: Convert to fraction form
    817,641.81/1,226,511.90 = 344,364.03/x
  3. Step 3: Cross multiply
    817,641.81x = 1,226,511.90 × 344,364.03
  4. Step 4: Simplify right side
    817,641.81x = 422,366,580,726.96
  5. Step 5: Solve for x
    x = 422,366,580,726.96/817,641.81
  6. Step 6: Final answer
    x = 516,566.76

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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.