Home / 851,029.04-1,276,743.16-338,725.20

Finding the Fourth Proportional to 851,029.04, 1,276,743.16 and 338,725.20

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Solution

The fourth proportional to 851,029.04, 1,276,743.16 and 338,725.20 is: 508,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,029.04 : 1,276,743.16 = 338,725.20 : x
  2. Step 2: Convert to fraction form
    851,029.04/1,276,743.16 = 338,725.20/x
  3. Step 3: Cross multiply
    851,029.04x = 1,276,743.16 × 338,725.20
  4. Step 4: Simplify right side
    851,029.04x = 432,465,076,585.03
  5. Step 5: Solve for x
    x = 432,465,076,585.03/851,029.04
  6. Step 6: Final answer
    x = 508,167.24

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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.