Home / 528,327.03-729,091.30-301,977.39

Finding the Fourth Proportional to 528,327.03, 729,091.30 and 301,977.39

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Solution

The fourth proportional to 528,327.03, 729,091.30 and 301,977.39 is: 416,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,327.03 : 729,091.30 = 301,977.39 : x
  2. Step 2: Convert to fraction form
    528,327.03/729,091.30 = 301,977.39/x
  3. Step 3: Cross multiply
    528,327.03x = 729,091.30 × 301,977.39
  4. Step 4: Simplify right side
    528,327.03x = 220,169,087,845.71
  5. Step 5: Solve for x
    x = 220,169,087,845.71/528,327.03
  6. Step 6: Final answer
    x = 416,728.80

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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.