Home / 955,018.40-1,432,371.90-280,942.08

Finding the Fourth Proportional to 955,018.40, 1,432,371.90 and 280,942.08

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Solution

The fourth proportional to 955,018.40, 1,432,371.90 and 280,942.08 is: 421,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,018.40 : 1,432,371.90 = 280,942.08 : x
  2. Step 2: Convert to fraction form
    955,018.40/1,432,371.90 = 280,942.08/x
  3. Step 3: Cross multiply
    955,018.40x = 1,432,371.90 × 280,942.08
  4. Step 4: Simplify right side
    955,018.40x = 402,413,540,919.55
  5. Step 5: Solve for x
    x = 402,413,540,919.55/955,018.40
  6. Step 6: Final answer
    x = 421,367.32

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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.