Home / 780,190.92-1,076,366.71-576,730.23

Finding the Fourth Proportional to 780,190.92, 1,076,366.71 and 576,730.23

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Solution

The fourth proportional to 780,190.92, 1,076,366.71 and 576,730.23 is: 795,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,190.92 : 1,076,366.71 = 576,730.23 : x
  2. Step 2: Convert to fraction form
    780,190.92/1,076,366.71 = 576,730.23/x
  3. Step 3: Cross multiply
    780,190.92x = 1,076,366.71 × 576,730.23
  4. Step 4: Simplify right side
    780,190.92x = 620,773,216,907.18
  5. Step 5: Solve for x
    x = 620,773,216,907.18/780,190.92
  6. Step 6: Final answer
    x = 795,668.34

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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.