Home / 852,728.31-1,176,757.47-470,746.89

Finding the Fourth Proportional to 852,728.31, 1,176,757.47 and 470,746.89

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Solution

The fourth proportional to 852,728.31, 1,176,757.47 and 470,746.89 is: 649,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,728.31 : 1,176,757.47 = 470,746.89 : x
  2. Step 2: Convert to fraction form
    852,728.31/1,176,757.47 = 470,746.89/x
  3. Step 3: Cross multiply
    852,728.31x = 1,176,757.47 × 470,746.89
  4. Step 4: Simplify right side
    852,728.31x = 553,954,919,286.77
  5. Step 5: Solve for x
    x = 553,954,919,286.77/852,728.31
  6. Step 6: Final answer
    x = 649,626.51

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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.