Home / 780,666.62-1,077,305.92-441,127.58

Finding the Fourth Proportional to 780,666.62, 1,077,305.92 and 441,127.58

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Solution

The fourth proportional to 780,666.62, 1,077,305.92 and 441,127.58 is: 608,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,666.62 : 1,077,305.92 = 441,127.58 : x
  2. Step 2: Convert to fraction form
    780,666.62/1,077,305.92 = 441,127.58/x
  3. Step 3: Cross multiply
    780,666.62x = 1,077,305.92 × 441,127.58
  4. Step 4: Simplify right side
    780,666.62x = 475,229,353,409.27
  5. Step 5: Solve for x
    x = 475,229,353,409.27/780,666.62
  6. Step 6: Final answer
    x = 608,748.14

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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.