Home / 788,816.80-1,183,225.20-742,160.80

Finding the Fourth Proportional to 788,816.80, 1,183,225.20 and 742,160.80

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Solution

The fourth proportional to 788,816.80, 1,183,225.20 and 742,160.80 is: 1,113,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,816.80 : 1,183,225.20 = 742,160.80 : x
  2. Step 2: Convert to fraction form
    788,816.80/1,183,225.20 = 742,160.80/x
  3. Step 3: Cross multiply
    788,816.80x = 1,183,225.20 × 742,160.80
  4. Step 4: Simplify right side
    788,816.80x = 878,143,361,012.16
  5. Step 5: Solve for x
    x = 878,143,361,012.16/788,816.80
  6. Step 6: Final answer
    x = 1,113,241.20

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Double scale
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Similar ratio
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1.5x scale

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.