Home / 784,870.24-1,177,436.58-311,559.70

Finding the Fourth Proportional to 784,870.24, 1,177,436.58 and 311,559.70

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Solution

The fourth proportional to 784,870.24, 1,177,436.58 and 311,559.70 is: 467,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,870.24 : 1,177,436.58 = 311,559.70 : x
  2. Step 2: Convert to fraction form
    784,870.24/1,177,436.58 = 311,559.70/x
  3. Step 3: Cross multiply
    784,870.24x = 1,177,436.58 × 311,559.70
  4. Step 4: Simplify right side
    784,870.24x = 366,841,787,633.83
  5. Step 5: Solve for x
    x = 366,841,787,633.83/784,870.24
  6. Step 6: Final answer
    x = 467,391.64

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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.