Home / 947,778.26-1,421,916.32-340,627.84

Finding the Fourth Proportional to 947,778.26, 1,421,916.32 and 340,627.84

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Solution

The fourth proportional to 947,778.26, 1,421,916.32 and 340,627.84 is: 511,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,778.26 : 1,421,916.32 = 340,627.84 : x
  2. Step 2: Convert to fraction form
    947,778.26/1,421,916.32 = 340,627.84/x
  3. Step 3: Cross multiply
    947,778.26x = 1,421,916.32 × 340,627.84
  4. Step 4: Simplify right side
    947,778.26x = 484,344,284,742.35
  5. Step 5: Solve for x
    x = 484,344,284,742.35/947,778.26
  6. Step 6: Final answer
    x = 511,031.22

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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.