Home / 789,037.20-1,183,555.80-657,817.20

Finding the Fourth Proportional to 789,037.20, 1,183,555.80 and 657,817.20

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Solution

The fourth proportional to 789,037.20, 1,183,555.80 and 657,817.20 is: 986,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,037.20 : 1,183,555.80 = 657,817.20 : x
  2. Step 2: Convert to fraction form
    789,037.20/1,183,555.80 = 657,817.20/x
  3. Step 3: Cross multiply
    789,037.20x = 1,183,555.80 × 657,817.20
  4. Step 4: Simplify right side
    789,037.20x = 778,563,362,399.76
  5. Step 5: Solve for x
    x = 778,563,362,399.76/789,037.20
  6. Step 6: Final answer
    x = 986,725.80

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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.