Home / 852,989.49-1,177,109.73-471,008.07

Finding the Fourth Proportional to 852,989.49, 1,177,109.73 and 471,008.07

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Solution

The fourth proportional to 852,989.49, 1,177,109.73 and 471,008.07 is: 649,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,989.49 : 1,177,109.73 = 471,008.07 : x
  2. Step 2: Convert to fraction form
    852,989.49/1,177,109.73 = 471,008.07/x
  3. Step 3: Cross multiply
    852,989.49x = 1,177,109.73 × 471,008.07
  4. Step 4: Simplify right side
    852,989.49x = 554,428,182,105.52
  5. Step 5: Solve for x
    x = 554,428,182,105.52/852,989.49
  6. Step 6: Final answer
    x = 649,982.43

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1.5x scale

Why These Related Problems?

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