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Finding the Fourth Proportional to 550,294.80, 824,059.80 and 439,702.80

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Solution

The fourth proportional to 550,294.80, 824,059.80 and 439,702.80 is: 658,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,294.80 : 824,059.80 = 439,702.80 : x
  2. Step 2: Convert to fraction form
    550,294.80/824,059.80 = 439,702.80/x
  3. Step 3: Cross multiply
    550,294.80x = 824,059.80 × 439,702.80
  4. Step 4: Simplify right side
    550,294.80x = 362,341,401,427.44
  5. Step 5: Solve for x
    x = 362,341,401,427.44/550,294.80
  6. Step 6: Final answer
    x = 658,449.62

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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.