Home / 440,827.16-607,778.32-285,504.02

Finding the Fourth Proportional to 440,827.16, 607,778.32 and 285,504.02

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Solution

The fourth proportional to 440,827.16, 607,778.32 and 285,504.02 is: 393,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,827.16 : 607,778.32 = 285,504.02 : x
  2. Step 2: Convert to fraction form
    440,827.16/607,778.32 = 285,504.02/x
  3. Step 3: Cross multiply
    440,827.16x = 607,778.32 × 285,504.02
  4. Step 4: Simplify right side
    440,827.16x = 173,523,156,109.44
  5. Step 5: Solve for x
    x = 173,523,156,109.44/440,827.16
  6. Step 6: Final answer
    x = 393,630.82

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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.