Home / 690,293.58-1,035,511.05-264,187.76

Finding the Fourth Proportional to 690,293.58, 1,035,511.05 and 264,187.76

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Solution

The fourth proportional to 690,293.58, 1,035,511.05 and 264,187.76 is: 396,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,293.58 : 1,035,511.05 = 264,187.76 : x
  2. Step 2: Convert to fraction form
    690,293.58/1,035,511.05 = 264,187.76/x
  3. Step 3: Cross multiply
    690,293.58x = 1,035,511.05 × 264,187.76
  4. Step 4: Simplify right side
    690,293.58x = 273,569,340,567.90
  5. Step 5: Solve for x
    x = 273,569,340,567.90/690,293.58
  6. Step 6: Final answer
    x = 396,308.69

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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.