Home / 890,250.12-1,334,442.06-328,926.60

Finding the Fourth Proportional to 890,250.12, 1,334,442.06 and 328,926.60

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Solution

The fourth proportional to 890,250.12, 1,334,442.06 and 328,926.60 is: 493,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,250.12 : 1,334,442.06 = 328,926.60 : x
  2. Step 2: Convert to fraction form
    890,250.12/1,334,442.06 = 328,926.60/x
  3. Step 3: Cross multiply
    890,250.12x = 1,334,442.06 × 328,926.60
  4. Step 4: Simplify right side
    890,250.12x = 438,933,489,692.80
  5. Step 5: Solve for x
    x = 438,933,489,692.80/890,250.12
  6. Step 6: Final answer
    x = 493,045.13

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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.