Home / 763,488.72-1,143,460.80-736,917.48

Finding the Fourth Proportional to 763,488.72, 1,143,460.80 and 736,917.48

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Solution

The fourth proportional to 763,488.72, 1,143,460.80 and 736,917.48 is: 1,103,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,488.72 : 1,143,460.80 = 736,917.48 : x
  2. Step 2: Convert to fraction form
    763,488.72/1,143,460.80 = 736,917.48/x
  3. Step 3: Cross multiply
    763,488.72x = 1,143,460.80 × 736,917.48
  4. Step 4: Simplify right side
    763,488.72x = 842,636,251,214.78
  5. Step 5: Solve for x
    x = 842,636,251,214.78/763,488.72
  6. Step 6: Final answer
    x = 1,103,665.62

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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.