Home / 949,230.78-1,310,316.39-622,668.06

Finding the Fourth Proportional to 949,230.78, 1,310,316.39 and 622,668.06

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Solution

The fourth proportional to 949,230.78, 1,310,316.39 and 622,668.06 is: 859,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,230.78 : 1,310,316.39 = 622,668.06 : x
  2. Step 2: Convert to fraction form
    949,230.78/1,310,316.39 = 622,668.06/x
  3. Step 3: Cross multiply
    949,230.78x = 1,310,316.39 × 622,668.06
  4. Step 4: Simplify right side
    949,230.78x = 815,892,164,547.50
  5. Step 5: Solve for x
    x = 815,892,164,547.50/949,230.78
  6. Step 6: Final answer
    x = 859,529.82

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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.