Home / 578,142.85-797,741.95-363,129.76

Finding the Fourth Proportional to 578,142.85, 797,741.95 and 363,129.76

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Solution

The fourth proportional to 578,142.85, 797,741.95 and 363,129.76 is: 501,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,142.85 : 797,741.95 = 363,129.76 : x
  2. Step 2: Convert to fraction form
    578,142.85/797,741.95 = 363,129.76/x
  3. Step 3: Cross multiply
    578,142.85x = 797,741.95 × 363,129.76
  4. Step 4: Simplify right side
    578,142.85x = 289,683,842,845.43
  5. Step 5: Solve for x
    x = 289,683,842,845.43/578,142.85
  6. Step 6: Final answer
    x = 501,059.28

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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.