Home / 777,292.02-1,072,739.49-454,982.58

Finding the Fourth Proportional to 777,292.02, 1,072,739.49 and 454,982.58

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Solution

The fourth proportional to 777,292.02, 1,072,739.49 and 454,982.58 is: 627,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,292.02 : 1,072,739.49 = 454,982.58 : x
  2. Step 2: Convert to fraction form
    777,292.02/1,072,739.49 = 454,982.58/x
  3. Step 3: Cross multiply
    777,292.02x = 1,072,739.49 × 454,982.58
  4. Step 4: Simplify right side
    777,292.02x = 488,077,780,828.08
  5. Step 5: Solve for x
    x = 488,077,780,828.08/777,292.02
  6. Step 6: Final answer
    x = 627,920.74

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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.