Home / 528,332.03-729,098.20-301,982.39

Finding the Fourth Proportional to 528,332.03, 729,098.20 and 301,982.39

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Solution

The fourth proportional to 528,332.03, 729,098.20 and 301,982.39 is: 416,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,332.03 : 729,098.20 = 301,982.39 : x
  2. Step 2: Convert to fraction form
    528,332.03/729,098.20 = 301,982.39/x
  3. Step 3: Cross multiply
    528,332.03x = 729,098.20 × 301,982.39
  4. Step 4: Simplify right side
    528,332.03x = 220,174,816,980.70
  5. Step 5: Solve for x
    x = 220,174,816,980.70/528,332.03
  6. Step 6: Final answer
    x = 416,735.70

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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.