Home / 780,615.36-1,077,235.20-441,076.32

Finding the Fourth Proportional to 780,615.36, 1,077,235.20 and 441,076.32

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Solution

The fourth proportional to 780,615.36, 1,077,235.20 and 441,076.32 is: 608,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,615.36 : 1,077,235.20 = 441,076.32 : x
  2. Step 2: Convert to fraction form
    780,615.36/1,077,235.20 = 441,076.32/x
  3. Step 3: Cross multiply
    780,615.36x = 1,077,235.20 × 441,076.32
  4. Step 4: Simplify right side
    780,615.36x = 475,142,937,790.46
  5. Step 5: Solve for x
    x = 475,142,937,790.46/780,615.36
  6. Step 6: Final answer
    x = 608,677.41

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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.