Home / 912,361.15-1,367,589.57-407,158.48

Finding the Fourth Proportional to 912,361.15, 1,367,589.57 and 407,158.48

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Solution

The fourth proportional to 912,361.15, 1,367,589.57 and 407,158.48 is: 610,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,361.15 : 1,367,589.57 = 407,158.48 : x
  2. Step 2: Convert to fraction form
    912,361.15/1,367,589.57 = 407,158.48/x
  3. Step 3: Cross multiply
    912,361.15x = 1,367,589.57 × 407,158.48
  4. Step 4: Simplify right side
    912,361.15x = 556,825,690,585.05
  5. Step 5: Solve for x
    x = 556,825,690,585.05/912,361.15
  6. Step 6: Final answer
    x = 610,312.80

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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.