Home / 852,149.47-1,175,990.86-470,200.86

Finding the Fourth Proportional to 852,149.47, 1,175,990.86 and 470,200.86

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Solution

The fourth proportional to 852,149.47, 1,175,990.86 and 470,200.86 is: 648,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,149.47 : 1,175,990.86 = 470,200.86 : x
  2. Step 2: Convert to fraction form
    852,149.47/1,175,990.86 = 470,200.86/x
  3. Step 3: Cross multiply
    852,149.47x = 1,175,990.86 × 470,200.86
  4. Step 4: Simplify right side
    852,149.47x = 552,951,909,901.93
  5. Step 5: Solve for x
    x = 552,951,909,901.93/852,149.47
  6. Step 6: Final answer
    x = 648,890.75

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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.