Home / 896,107.70-1,344,399.15-390,451.70

Finding the Fourth Proportional to 896,107.70, 1,344,399.15 and 390,451.70

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Solution

The fourth proportional to 896,107.70, 1,344,399.15 and 390,451.70 is: 585,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,107.70 : 1,344,399.15 = 390,451.70 : x
  2. Step 2: Convert to fraction form
    896,107.70/1,344,399.15 = 390,451.70/x
  3. Step 3: Cross multiply
    896,107.70x = 1,344,399.15 × 390,451.70
  4. Step 4: Simplify right side
    896,107.70x = 524,922,933,596.06
  5. Step 5: Solve for x
    x = 524,922,933,596.06/896,107.70
  6. Step 6: Final answer
    x = 585,781.08

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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.