Home / 851,228.64-1,174,699.08-469,247.04

Finding the Fourth Proportional to 851,228.64, 1,174,699.08 and 469,247.04

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Solution

The fourth proportional to 851,228.64, 1,174,699.08 and 469,247.04 is: 647,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,228.64 : 1,174,699.08 = 469,247.04 : x
  2. Step 2: Convert to fraction form
    851,228.64/1,174,699.08 = 469,247.04/x
  3. Step 3: Cross multiply
    851,228.64x = 1,174,699.08 × 469,247.04
  4. Step 4: Simplify right side
    851,228.64x = 551,224,066,180.72
  5. Step 5: Solve for x
    x = 551,224,066,180.72/851,228.64
  6. Step 6: Final answer
    x = 647,562.88

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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.