Home / 851,039.16-1,174,442.22-469,080.60

Finding the Fourth Proportional to 851,039.16, 1,174,442.22 and 469,080.60

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Solution

The fourth proportional to 851,039.16, 1,174,442.22 and 469,080.60 is: 647,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,039.16 : 1,174,442.22 = 469,080.60 : x
  2. Step 2: Convert to fraction form
    851,039.16/1,174,442.22 = 469,080.60/x
  3. Step 3: Cross multiply
    851,039.16x = 1,174,442.22 × 469,080.60
  4. Step 4: Simplify right side
    851,039.16x = 550,908,061,222.93
  5. Step 5: Solve for x
    x = 550,908,061,222.93/851,039.16
  6. Step 6: Final answer
    x = 647,335.74

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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.