Home / 869,723.80-1,304,585.70-586,288.60

Finding the Fourth Proportional to 869,723.80, 1,304,585.70 and 586,288.60

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Solution

The fourth proportional to 869,723.80, 1,304,585.70 and 586,288.60 is: 879,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,723.80 : 1,304,585.70 = 586,288.60 : x
  2. Step 2: Convert to fraction form
    869,723.80/1,304,585.70 = 586,288.60/x
  3. Step 3: Cross multiply
    869,723.80x = 1,304,585.70 × 586,288.60
  4. Step 4: Simplify right side
    869,723.80x = 764,863,723,633.02
  5. Step 5: Solve for x
    x = 764,863,723,633.02/869,723.80
  6. Step 6: Final answer
    x = 879,432.90

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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.