Home / 864,010.20-1,296,015.30-549,859.80

Finding the Fourth Proportional to 864,010.20, 1,296,015.30 and 549,859.80

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Solution

The fourth proportional to 864,010.20, 1,296,015.30 and 549,859.80 is: 824,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,010.20 : 1,296,015.30 = 549,859.80 : x
  2. Step 2: Convert to fraction form
    864,010.20/1,296,015.30 = 549,859.80/x
  3. Step 3: Cross multiply
    864,010.20x = 1,296,015.30 × 549,859.80
  4. Step 4: Simplify right side
    864,010.20x = 712,626,713,654.94
  5. Step 5: Solve for x
    x = 712,626,713,654.94/864,010.20
  6. Step 6: Final answer
    x = 824,789.70

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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.