Home / 914,961.69-1,262,628.97-507,055.10

Finding the Fourth Proportional to 914,961.69, 1,262,628.97 and 507,055.10

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Solution

The fourth proportional to 914,961.69, 1,262,628.97 and 507,055.10 is: 699,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,961.69 : 1,262,628.97 = 507,055.10 : x
  2. Step 2: Convert to fraction form
    914,961.69/1,262,628.97 = 507,055.10/x
  3. Step 3: Cross multiply
    914,961.69x = 1,262,628.97 × 507,055.10
  4. Step 4: Simplify right side
    914,961.69x = 640,222,451,065.46
  5. Step 5: Solve for x
    x = 640,222,451,065.46/914,961.69
  6. Step 6: Final answer
    x = 699,725.96

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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.