Home / 966,516.87-1,449,756.35-390,124.82

Finding the Fourth Proportional to 966,516.87, 1,449,756.35 and 390,124.82

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Solution

The fourth proportional to 966,516.87, 1,449,756.35 and 390,124.82 is: 585,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,516.87 : 1,449,756.35 = 390,124.82 : x
  2. Step 2: Convert to fraction form
    966,516.87/1,449,756.35 = 390,124.82/x
  3. Step 3: Cross multiply
    966,516.87x = 1,449,756.35 × 390,124.82
  4. Step 4: Simplify right side
    966,516.87x = 565,585,933,225.79
  5. Step 5: Solve for x
    x = 565,585,933,225.79/966,516.87
  6. Step 6: Final answer
    x = 585,179.58

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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.