Home / 788,579.20-1,182,868.80-648,611.20

Finding the Fourth Proportional to 788,579.20, 1,182,868.80 and 648,611.20

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Solution

The fourth proportional to 788,579.20, 1,182,868.80 and 648,611.20 is: 972,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,579.20 : 1,182,868.80 = 648,611.20 : x
  2. Step 2: Convert to fraction form
    788,579.20/1,182,868.80 = 648,611.20/x
  3. Step 3: Cross multiply
    788,579.20x = 1,182,868.80 × 648,611.20
  4. Step 4: Simplify right side
    788,579.20x = 767,221,951,810.56
  5. Step 5: Solve for x
    x = 767,221,951,810.56/788,579.20
  6. Step 6: Final answer
    x = 972,916.80

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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.