Home / 723,308.26-1,085,142.78-510,491.86

Finding the Fourth Proportional to 723,308.26, 1,085,142.78 and 510,491.86

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Solution

The fourth proportional to 723,308.26, 1,085,142.78 and 510,491.86 is: 765,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,308.26 : 1,085,142.78 = 510,491.86 : x
  2. Step 2: Convert to fraction form
    723,308.26/1,085,142.78 = 510,491.86/x
  3. Step 3: Cross multiply
    723,308.26x = 1,085,142.78 × 510,491.86
  4. Step 4: Simplify right side
    723,308.26x = 553,956,556,127.77
  5. Step 5: Solve for x
    x = 553,956,556,127.77/723,308.26
  6. Step 6: Final answer
    x = 765,865.10

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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.