Home / 784,847.80-1,177,271.70-774,350.20

Finding the Fourth Proportional to 784,847.80, 1,177,271.70 and 774,350.20

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Solution

The fourth proportional to 784,847.80, 1,177,271.70 and 774,350.20 is: 1,161,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,847.80 : 1,177,271.70 = 774,350.20 : x
  2. Step 2: Convert to fraction form
    784,847.80/1,177,271.70 = 774,350.20/x
  3. Step 3: Cross multiply
    784,847.80x = 1,177,271.70 × 774,350.20
  4. Step 4: Simplify right side
    784,847.80x = 911,620,576,349.34
  5. Step 5: Solve for x
    x = 911,620,576,349.34/784,847.80
  6. Step 6: Final answer
    x = 1,161,525.30

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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.