Home / 955,017.78-1,432,370.93-280,941.41

Finding the Fourth Proportional to 955,017.78, 1,432,370.93 and 280,941.41

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Solution

The fourth proportional to 955,017.78, 1,432,370.93 and 280,941.41 is: 421,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,017.78 : 1,432,370.93 = 280,941.41 : x
  2. Step 2: Convert to fraction form
    955,017.78/1,432,370.93 = 280,941.41/x
  3. Step 3: Cross multiply
    955,017.78x = 1,432,370.93 × 280,941.41
  4. Step 4: Simplify right side
    955,017.78x = 402,412,310,893.43
  5. Step 5: Solve for x
    x = 402,412,310,893.43/955,017.78
  6. Step 6: Final answer
    x = 421,366.30

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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.