Home / 887,433.72-1,330,954.74-256,210.20

Finding the Fourth Proportional to 887,433.72, 1,330,954.74 and 256,210.20

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Solution

The fourth proportional to 887,433.72, 1,330,954.74 and 256,210.20 is: 384,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,433.72 : 1,330,954.74 = 256,210.20 : x
  2. Step 2: Convert to fraction form
    887,433.72/1,330,954.74 = 256,210.20/x
  3. Step 3: Cross multiply
    887,433.72x = 1,330,954.74 × 256,210.20
  4. Step 4: Simplify right side
    887,433.72x = 341,004,180,126.35
  5. Step 5: Solve for x
    x = 341,004,180,126.35/887,433.72
  6. Step 6: Final answer
    x = 384,258.76

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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.