Home / 830,105.44-1,145,348.66-467,457.10

Finding the Fourth Proportional to 830,105.44, 1,145,348.66 and 467,457.10

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Solution

The fourth proportional to 830,105.44, 1,145,348.66 and 467,457.10 is: 644,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,105.44 : 1,145,348.66 = 467,457.10 : x
  2. Step 2: Convert to fraction form
    830,105.44/1,145,348.66 = 467,457.10/x
  3. Step 3: Cross multiply
    830,105.44x = 1,145,348.66 × 467,457.10
  4. Step 4: Simplify right side
    830,105.44x = 535,401,361,397.76
  5. Step 5: Solve for x
    x = 535,401,361,397.76/830,105.44
  6. Step 6: Final answer
    x = 644,979.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.