Home / 779,959.92-1,076,351.80-457,675.38

Finding the Fourth Proportional to 779,959.92, 1,076,351.80 and 457,675.38

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Solution

The fourth proportional to 779,959.92, 1,076,351.80 and 457,675.38 is: 631,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,959.92 : 1,076,351.80 = 457,675.38 : x
  2. Step 2: Convert to fraction form
    779,959.92/1,076,351.80 = 457,675.38/x
  3. Step 3: Cross multiply
    779,959.92x = 1,076,351.80 × 457,675.38
  4. Step 4: Simplify right side
    779,959.92x = 492,619,719,078.68
  5. Step 5: Solve for x
    x = 492,619,719,078.68/779,959.92
  6. Step 6: Final answer
    x = 631,596.20

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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.