Home / 528,329.03-729,094.06-301,979.39

Finding the Fourth Proportional to 528,329.03, 729,094.06 and 301,979.39

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Solution

The fourth proportional to 528,329.03, 729,094.06 and 301,979.39 is: 416,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,329.03 : 729,094.06 = 301,979.39 : x
  2. Step 2: Convert to fraction form
    528,329.03/729,094.06 = 301,979.39/x
  3. Step 3: Cross multiply
    528,329.03x = 729,094.06 × 301,979.39
  4. Step 4: Simplify right side
    528,329.03x = 220,171,379,491.42
  5. Step 5: Solve for x
    x = 220,171,379,491.42/528,329.03
  6. Step 6: Final answer
    x = 416,731.56

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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.