Home / 852,528.56-1,176,313.79-489,882.36

Finding the Fourth Proportional to 852,528.56, 1,176,313.79 and 489,882.36

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Solution

The fourth proportional to 852,528.56, 1,176,313.79 and 489,882.36 is: 675,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,528.56 : 1,176,313.79 = 489,882.36 : x
  2. Step 2: Convert to fraction form
    852,528.56/1,176,313.79 = 489,882.36/x
  3. Step 3: Cross multiply
    852,528.56x = 1,176,313.79 × 489,882.36
  4. Step 4: Simplify right side
    852,528.56x = 576,255,369,664.18
  5. Step 5: Solve for x
    x = 576,255,369,664.18/852,528.56
  6. Step 6: Final answer
    x = 675,936.73

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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.