Home / 852,154.56-1,175,979.60-470,195.52

Finding the Fourth Proportional to 852,154.56, 1,175,979.60 and 470,195.52

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Solution

The fourth proportional to 852,154.56, 1,175,979.60 and 470,195.52 is: 648,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,154.56 : 1,175,979.60 = 470,195.52 : x
  2. Step 2: Convert to fraction form
    852,154.56/1,175,979.60 = 470,195.52/x
  3. Step 3: Cross multiply
    852,154.56x = 1,175,979.60 × 470,195.52
  4. Step 4: Simplify right side
    852,154.56x = 552,940,339,531.39
  5. Step 5: Solve for x
    x = 552,940,339,531.39/852,154.56
  6. Step 6: Final answer
    x = 648,873.30

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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.