Home / 784,688.53-1,177,043.73-223,723.03

Finding the Fourth Proportional to 784,688.53, 1,177,043.73 and 223,723.03

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Solution

The fourth proportional to 784,688.53, 1,177,043.73 and 223,723.03 is: 335,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,688.53 : 1,177,043.73 = 223,723.03 : x
  2. Step 2: Convert to fraction form
    784,688.53/1,177,043.73 = 223,723.03/x
  3. Step 3: Cross multiply
    784,688.53x = 1,177,043.73 × 223,723.03
  4. Step 4: Simplify right side
    784,688.53x = 263,331,789,718.10
  5. Step 5: Solve for x
    x = 263,331,789,718.10/784,688.53
  6. Step 6: Final answer
    x = 335,587.66

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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.