Home / 676,798.96-1,013,818.56-320,733.04

Finding the Fourth Proportional to 676,798.96, 1,013,818.56 and 320,733.04

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Solution

The fourth proportional to 676,798.96, 1,013,818.56 and 320,733.04 is: 480,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,798.96 : 1,013,818.56 = 320,733.04 : x
  2. Step 2: Convert to fraction form
    676,798.96/1,013,818.56 = 320,733.04/x
  3. Step 3: Cross multiply
    676,798.96x = 1,013,818.56 × 320,733.04
  4. Step 4: Simplify right side
    676,798.96x = 325,165,108,757.22
  5. Step 5: Solve for x
    x = 325,165,108,757.22/676,798.96
  6. Step 6: Final answer
    x = 480,445.64

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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.