Home / 780,250.19-1,076,448.51-576,789.62

Finding the Fourth Proportional to 780,250.19, 1,076,448.51 and 576,789.62

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Solution

The fourth proportional to 780,250.19, 1,076,448.51 and 576,789.62 is: 795,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,250.19 : 1,076,448.51 = 576,789.62 : x
  2. Step 2: Convert to fraction form
    780,250.19/1,076,448.51 = 576,789.62/x
  3. Step 3: Cross multiply
    780,250.19x = 1,076,448.51 × 576,789.62
  4. Step 4: Simplify right side
    780,250.19x = 620,884,321,650.22
  5. Step 5: Solve for x
    x = 620,884,321,650.22/780,250.19
  6. Step 6: Final answer
    x = 795,750.30

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1.5x scale

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.