Home / 519,322.02-776,933.26-393,325.32

Finding the Fourth Proportional to 519,322.02, 776,933.26 and 393,325.32

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Solution

The fourth proportional to 519,322.02, 776,933.26 and 393,325.32 is: 588,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,322.02 : 776,933.26 = 393,325.32 : x
  2. Step 2: Convert to fraction form
    519,322.02/776,933.26 = 393,325.32/x
  3. Step 3: Cross multiply
    519,322.02x = 776,933.26 × 393,325.32
  4. Step 4: Simplify right side
    519,322.02x = 305,587,523,108.14
  5. Step 5: Solve for x
    x = 305,587,523,108.14/519,322.02
  6. Step 6: Final answer
    x = 588,435.52

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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.