Home / 470,983-649,973.64-269,817.88

Finding the Fourth Proportional to 470,983, 649,973.64 and 269,817.88

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Solution

The fourth proportional to 470,983, 649,973.64 and 269,817.88 is: 372,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,983 : 649,973.64 = 269,817.88 : x
  2. Step 2: Convert to fraction form
    470,983/649,973.64 = 269,817.88/x
  3. Step 3: Cross multiply
    470,983x = 649,973.64 × 269,817.88
  4. Step 4: Simplify right side
    470,983x = 175,374,509,600.68
  5. Step 5: Solve for x
    x = 175,374,509,600.68/470,983
  6. Step 6: Final answer
    x = 372,358.47

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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.