Home / 667,552.84-1,001,390.81-218,276.01

Finding the Fourth Proportional to 667,552.84, 1,001,390.81 and 218,276.01

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Solution

The fourth proportional to 667,552.84, 1,001,390.81 and 218,276.01 is: 327,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,552.84 : 1,001,390.81 = 218,276.01 : x
  2. Step 2: Convert to fraction form
    667,552.84/1,001,390.81 = 218,276.01/x
  3. Step 3: Cross multiply
    667,552.84x = 1,001,390.81 × 218,276.01
  4. Step 4: Simplify right side
    667,552.84x = 218,579,590,457.47
  5. Step 5: Solve for x
    x = 218,579,590,457.47/667,552.84
  6. Step 6: Final answer
    x = 327,434.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.