Home / 936,722.52-1,292,739.48-528,679.44

Finding the Fourth Proportional to 936,722.52, 1,292,739.48 and 528,679.44

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Solution

The fourth proportional to 936,722.52, 1,292,739.48 and 528,679.44 is: 729,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,722.52 : 1,292,739.48 = 528,679.44 : x
  2. Step 2: Convert to fraction form
    936,722.52/1,292,739.48 = 528,679.44/x
  3. Step 3: Cross multiply
    936,722.52x = 1,292,739.48 × 528,679.44
  4. Step 4: Simplify right side
    936,722.52x = 683,444,784,352.29
  5. Step 5: Solve for x
    x = 683,444,784,352.29/936,722.52
  6. Step 6: Final answer
    x = 729,612.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.