Home / 522,418.23-783,681-180,861.15

Finding the Fourth Proportional to 522,418.23, 783,681 and 180,861.15

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Solution

The fourth proportional to 522,418.23, 783,681 and 180,861.15 is: 271,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,418.23 : 783,681 = 180,861.15 : x
  2. Step 2: Convert to fraction form
    522,418.23/783,681 = 180,861.15/x
  3. Step 3: Cross multiply
    522,418.23x = 783,681 × 180,861.15
  4. Step 4: Simplify right side
    522,418.23x = 141,737,446,893.15
  5. Step 5: Solve for x
    x = 141,737,446,893.15/522,418.23
  6. Step 6: Final answer
    x = 271,310.30

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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.