Home / 780,703.11-1,077,356.30-441,164.07

Finding the Fourth Proportional to 780,703.11, 1,077,356.30 and 441,164.07

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Solution

The fourth proportional to 780,703.11, 1,077,356.30 and 441,164.07 is: 608,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,703.11 : 1,077,356.30 = 441,164.07 : x
  2. Step 2: Convert to fraction form
    780,703.11/1,077,356.30 = 441,164.07/x
  3. Step 3: Cross multiply
    780,703.11x = 1,077,356.30 × 441,164.07
  4. Step 4: Simplify right side
    780,703.11x = 475,290,887,942.32
  5. Step 5: Solve for x
    x = 475,290,887,942.32/780,703.11
  6. Step 6: Final answer
    x = 608,798.51

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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.