Home / 915,327.88-1,372,673.25-375,430.82

Finding the Fourth Proportional to 915,327.88, 1,372,673.25 and 375,430.82

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Solution

The fourth proportional to 915,327.88, 1,372,673.25 and 375,430.82 is: 563,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,327.88 : 1,372,673.25 = 375,430.82 : x
  2. Step 2: Convert to fraction form
    915,327.88/1,372,673.25 = 375,430.82/x
  3. Step 3: Cross multiply
    915,327.88x = 1,372,673.25 × 375,430.82
  4. Step 4: Simplify right side
    915,327.88x = 515,343,841,346.46
  5. Step 5: Solve for x
    x = 515,343,841,346.46/915,327.88
  6. Step 6: Final answer
    x = 563,015.56

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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.