Home / 949,668.72-1,310,490.90-519,865.71

Finding the Fourth Proportional to 949,668.72, 1,310,490.90 and 519,865.71

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Solution

The fourth proportional to 949,668.72, 1,310,490.90 and 519,865.71 is: 717,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,668.72 : 1,310,490.90 = 519,865.71 : x
  2. Step 2: Convert to fraction form
    949,668.72/1,310,490.90 = 519,865.71/x
  3. Step 3: Cross multiply
    949,668.72x = 1,310,490.90 × 519,865.71
  4. Step 4: Simplify right side
    949,668.72x = 681,279,282,177.04
  5. Step 5: Solve for x
    x = 681,279,282,177.04/949,668.72
  6. Step 6: Final answer
    x = 717,386.25

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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.