Home / 758,522.26-1,137,827.12-285,211.72

Finding the Fourth Proportional to 758,522.26, 1,137,827.12 and 285,211.72

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Solution

The fourth proportional to 758,522.26, 1,137,827.12 and 285,211.72 is: 427,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,522.26 : 1,137,827.12 = 285,211.72 : x
  2. Step 2: Convert to fraction form
    758,522.26/1,137,827.12 = 285,211.72/x
  3. Step 3: Cross multiply
    758,522.26x = 1,137,827.12 × 285,211.72
  4. Step 4: Simplify right side
    758,522.26x = 324,521,623,553.79
  5. Step 5: Solve for x
    x = 324,521,623,553.79/758,522.26
  6. Step 6: Final answer
    x = 427,834.02

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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.