Home / 849,663.47-1,274,191.66-280,939.59

Finding the Fourth Proportional to 849,663.47, 1,274,191.66 and 280,939.59

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Solution

The fourth proportional to 849,663.47, 1,274,191.66 and 280,939.59 is: 421,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,663.47 : 1,274,191.66 = 280,939.59 : x
  2. Step 2: Convert to fraction form
    849,663.47/1,274,191.66 = 280,939.59/x
  3. Step 3: Cross multiply
    849,663.47x = 1,274,191.66 × 280,939.59
  4. Step 4: Simplify right side
    849,663.47x = 357,970,882,892.99
  5. Step 5: Solve for x
    x = 357,970,882,892.99/849,663.47
  6. Step 6: Final answer
    x = 421,309.02

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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.