Home / 862,270.02-1,189,969.38-480,297

Finding the Fourth Proportional to 862,270.02, 1,189,969.38 and 480,297

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Solution

The fourth proportional to 862,270.02, 1,189,969.38 and 480,297 is: 662,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,270.02 : 1,189,969.38 = 480,297 : x
  2. Step 2: Convert to fraction form
    862,270.02/1,189,969.38 = 480,297/x
  3. Step 3: Cross multiply
    862,270.02x = 1,189,969.38 × 480,297
  4. Step 4: Simplify right side
    862,270.02x = 571,538,723,305.86
  5. Step 5: Solve for x
    x = 571,538,723,305.86/862,270.02
  6. Step 6: Final answer
    x = 662,830.33

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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.