Home / 847,469.76-1,270,588.77-397,959.18

Finding the Fourth Proportional to 847,469.76, 1,270,588.77 and 397,959.18

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Solution

The fourth proportional to 847,469.76, 1,270,588.77 and 397,959.18 is: 596,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,469.76 : 1,270,588.77 = 397,959.18 : x
  2. Step 2: Convert to fraction form
    847,469.76/1,270,588.77 = 397,959.18/x
  3. Step 3: Cross multiply
    847,469.76x = 1,270,588.77 × 397,959.18
  4. Step 4: Simplify right side
    847,469.76x = 505,642,465,026.41
  5. Step 5: Solve for x
    x = 505,642,465,026.41/847,469.76
  6. Step 6: Final answer
    x = 596,649.57

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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.