Home / 446,272.85-615,702.58-285,222.17

Finding the Fourth Proportional to 446,272.85, 615,702.58 and 285,222.17

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Solution

The fourth proportional to 446,272.85, 615,702.58 and 285,222.17 is: 393,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,272.85 : 615,702.58 = 285,222.17 : x
  2. Step 2: Convert to fraction form
    446,272.85/615,702.58 = 285,222.17/x
  3. Step 3: Cross multiply
    446,272.85x = 615,702.58 × 285,222.17
  4. Step 4: Simplify right side
    446,272.85x = 175,612,025,942.20
  5. Step 5: Solve for x
    x = 175,612,025,942.20/446,272.85
  6. Step 6: Final answer
    x = 393,508.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.