Home / 723,005.74-1,084,735.32-435,131.47

Finding the Fourth Proportional to 723,005.74, 1,084,735.32 and 435,131.47

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Solution

The fourth proportional to 723,005.74, 1,084,735.32 and 435,131.47 is: 652,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,005.74 : 1,084,735.32 = 435,131.47 : x
  2. Step 2: Convert to fraction form
    723,005.74/1,084,735.32 = 435,131.47/x
  3. Step 3: Cross multiply
    723,005.74x = 1,084,735.32 × 435,131.47
  4. Step 4: Simplify right side
    723,005.74x = 472,002,474,352.52
  5. Step 5: Solve for x
    x = 472,002,474,352.52/723,005.74
  6. Step 6: Final answer
    x = 652,833.65

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1.5x scale

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.