Home / 780,590.36-1,077,200.70-441,051.32

Finding the Fourth Proportional to 780,590.36, 1,077,200.70 and 441,051.32

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Solution

The fourth proportional to 780,590.36, 1,077,200.70 and 441,051.32 is: 608,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,590.36 : 1,077,200.70 = 441,051.32 : x
  2. Step 2: Convert to fraction form
    780,590.36/1,077,200.70 = 441,051.32/x
  3. Step 3: Cross multiply
    780,590.36x = 1,077,200.70 × 441,051.32
  4. Step 4: Simplify right side
    780,590.36x = 475,100,790,639.92
  5. Step 5: Solve for x
    x = 475,100,790,639.92/780,590.36
  6. Step 6: Final answer
    x = 608,642.91

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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.