Home / 487,826.06-730,980.52-338,358.38

Finding the Fourth Proportional to 487,826.06, 730,980.52 and 338,358.38

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Solution

The fourth proportional to 487,826.06, 730,980.52 and 338,358.38 is: 507,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,826.06 : 730,980.52 = 338,358.38 : x
  2. Step 2: Convert to fraction form
    487,826.06/730,980.52 = 338,358.38/x
  3. Step 3: Cross multiply
    487,826.06x = 730,980.52 × 338,358.38
  4. Step 4: Simplify right side
    487,826.06x = 247,333,380,057.96
  5. Step 5: Solve for x
    x = 247,333,380,057.96/487,826.06
  6. Step 6: Final answer
    x = 507,011.42

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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.