Home / 852,724.22-1,176,728.58-470,742.80

Finding the Fourth Proportional to 852,724.22, 1,176,728.58 and 470,742.80

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Solution

The fourth proportional to 852,724.22, 1,176,728.58 and 470,742.80 is: 649,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,724.22 : 1,176,728.58 = 470,742.80 : x
  2. Step 2: Convert to fraction form
    852,724.22/1,176,728.58 = 470,742.80/x
  3. Step 3: Cross multiply
    852,724.22x = 1,176,728.58 × 470,742.80
  4. Step 4: Simplify right side
    852,724.22x = 553,936,500,705.58
  5. Step 5: Solve for x
    x = 553,936,500,705.58/852,724.22
  6. Step 6: Final answer
    x = 649,608.03

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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.