Home / 788,034.40-1,180,669.20-647,029.60

Finding the Fourth Proportional to 788,034.40, 1,180,669.20 and 647,029.60

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Solution

The fourth proportional to 788,034.40, 1,180,669.20 and 647,029.60 is: 969,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,034.40 : 1,180,669.20 = 647,029.60 : x
  2. Step 2: Convert to fraction form
    788,034.40/1,180,669.20 = 647,029.60/x
  3. Step 3: Cross multiply
    788,034.40x = 1,180,669.20 × 647,029.60
  4. Step 4: Simplify right side
    788,034.40x = 763,927,920,208.32
  5. Step 5: Solve for x
    x = 763,927,920,208.32/788,034.40
  6. Step 6: Final answer
    x = 969,409.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.