Home / 969,423.17-1,454,133.60-259,432.72

Finding the Fourth Proportional to 969,423.17, 1,454,133.60 and 259,432.72

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Solution

The fourth proportional to 969,423.17, 1,454,133.60 and 259,432.72 is: 389,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,423.17 : 1,454,133.60 = 259,432.72 : x
  2. Step 2: Convert to fraction form
    969,423.17/1,454,133.60 = 259,432.72/x
  3. Step 3: Cross multiply
    969,423.17x = 1,454,133.60 × 259,432.72
  4. Step 4: Simplify right side
    969,423.17x = 377,249,831,456.06
  5. Step 5: Solve for x
    x = 377,249,831,456.06/969,423.17
  6. Step 6: Final answer
    x = 389,148.77

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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.