Home / 852,150.32-1,175,984.28-470,212.64

Finding the Fourth Proportional to 852,150.32, 1,175,984.28 and 470,212.64

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Solution

The fourth proportional to 852,150.32, 1,175,984.28 and 470,212.64 is: 648,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,150.32 : 1,175,984.28 = 470,212.64 : x
  2. Step 2: Convert to fraction form
    852,150.32/1,175,984.28 = 470,212.64/x
  3. Step 3: Cross multiply
    852,150.32x = 1,175,984.28 × 470,212.64
  4. Step 4: Simplify right side
    852,150.32x = 552,962,672,897.30
  5. Step 5: Solve for x
    x = 552,962,672,897.30/852,150.32
  6. Step 6: Final answer
    x = 648,902.73

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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.