Home / 798,274.78-1,195,709.73-645,817.66

Finding the Fourth Proportional to 798,274.78, 1,195,709.73 and 645,817.66

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Solution

The fourth proportional to 798,274.78, 1,195,709.73 and 645,817.66 is: 967,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,274.78 : 1,195,709.73 = 645,817.66 : x
  2. Step 2: Convert to fraction form
    798,274.78/1,195,709.73 = 645,817.66/x
  3. Step 3: Cross multiply
    798,274.78x = 1,195,709.73 × 645,817.66
  4. Step 4: Simplify right side
    798,274.78x = 772,210,459,867.83
  5. Step 5: Solve for x
    x = 772,210,459,867.83/798,274.78
  6. Step 6: Final answer
    x = 967,349.19

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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.