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Finding the Fourth Proportional to 404,385.40, 607,077.30 and 254,625.40

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Solution

The fourth proportional to 404,385.40, 607,077.30 and 254,625.40 is: 382,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,385.40 : 607,077.30 = 254,625.40 : x
  2. Step 2: Convert to fraction form
    404,385.40/607,077.30 = 254,625.40/x
  3. Step 3: Cross multiply
    404,385.40x = 607,077.30 × 254,625.40
  4. Step 4: Simplify right side
    404,385.40x = 154,577,300,343.42
  5. Step 5: Solve for x
    x = 154,577,300,343.42/404,385.40
  6. Step 6: Final answer
    x = 382,252.43

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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.