Home / 849,910.44-1,274,854.14-289,335.72

Finding the Fourth Proportional to 849,910.44, 1,274,854.14 and 289,335.72

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Solution

The fourth proportional to 849,910.44, 1,274,854.14 and 289,335.72 is: 433,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,910.44 : 1,274,854.14 = 289,335.72 : x
  2. Step 2: Convert to fraction form
    849,910.44/1,274,854.14 = 289,335.72/x
  3. Step 3: Cross multiply
    849,910.44x = 1,274,854.14 × 289,335.72
  4. Step 4: Simplify right side
    849,910.44x = 368,860,840,491.88
  5. Step 5: Solve for x
    x = 368,860,840,491.88/849,910.44
  6. Step 6: Final answer
    x = 433,999.66

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Double scale
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1.5x scale

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.