Home / 808,677.86-1,115,266.46-647,474.10

Finding the Fourth Proportional to 808,677.86, 1,115,266.46 and 647,474.10

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Solution

The fourth proportional to 808,677.86, 1,115,266.46 and 647,474.10 is: 892,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,677.86 : 1,115,266.46 = 647,474.10 : x
  2. Step 2: Convert to fraction form
    808,677.86/1,115,266.46 = 647,474.10/x
  3. Step 3: Cross multiply
    808,677.86x = 1,115,266.46 × 647,474.10
  4. Step 4: Simplify right side
    808,677.86x = 722,106,147,448.69
  5. Step 5: Solve for x
    x = 722,106,147,448.69/808,677.86
  6. Step 6: Final answer
    x = 892,946.60

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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.