Home / 852,990.49-1,177,111.11-471,009.07

Finding the Fourth Proportional to 852,990.49, 1,177,111.11 and 471,009.07

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Solution

The fourth proportional to 852,990.49, 1,177,111.11 and 471,009.07 is: 649,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,990.49 : 1,177,111.11 = 471,009.07 : x
  2. Step 2: Convert to fraction form
    852,990.49/1,177,111.11 = 471,009.07/x
  3. Step 3: Cross multiply
    852,990.49x = 1,177,111.11 × 471,009.07
  4. Step 4: Simplify right side
    852,990.49x = 554,430,009,207.77
  5. Step 5: Solve for x
    x = 554,430,009,207.77/852,990.49
  6. Step 6: Final answer
    x = 649,983.81

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Double scale
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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.