Home / 852,724.10-1,176,728.41-470,742.68

Finding the Fourth Proportional to 852,724.10, 1,176,728.41 and 470,742.68

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Solution

The fourth proportional to 852,724.10, 1,176,728.41 and 470,742.68 is: 649,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,724.10 : 1,176,728.41 = 470,742.68 : x
  2. Step 2: Convert to fraction form
    852,724.10/1,176,728.41 = 470,742.68/x
  3. Step 3: Cross multiply
    852,724.10x = 1,176,728.41 × 470,742.68
  4. Step 4: Simplify right side
    852,724.10x = 553,936,285,355.54
  5. Step 5: Solve for x
    x = 553,936,285,355.54/852,724.10
  6. Step 6: Final answer
    x = 649,607.87

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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.