Home / 1,503,650.88-2,255,438.79-438,702.30

Finding the Fourth Proportional to 1,503,650.88, 2,255,438.79 and 438,702.30

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Solution

The fourth proportional to 1,503,650.88, 2,255,438.79 and 438,702.30 is: 658,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,650.88 : 2,255,438.79 = 438,702.30 : x
  2. Step 2: Convert to fraction form
    1,503,650.88/2,255,438.79 = 438,702.30/x
  3. Step 3: Cross multiply
    1,503,650.88x = 2,255,438.79 × 438,702.30
  4. Step 4: Simplify right side
    1,503,650.88x = 989,466,184,682.22
  5. Step 5: Solve for x
    x = 989,466,184,682.22/1,503,650.88
  6. Step 6: Final answer
    x = 658,042.50

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Double scale
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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.