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Finding the Fourth Proportional to 559,992.20, 839,988.30 and 349,748.60

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Solution

The fourth proportional to 559,992.20, 839,988.30 and 349,748.60 is: 524,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,992.20 : 839,988.30 = 349,748.60 : x
  2. Step 2: Convert to fraction form
    559,992.20/839,988.30 = 349,748.60/x
  3. Step 3: Cross multiply
    559,992.20x = 839,988.30 × 349,748.60
  4. Step 4: Simplify right side
    559,992.20x = 293,784,731,941.38
  5. Step 5: Solve for x
    x = 293,784,731,941.38/559,992.20
  6. Step 6: Final answer
    x = 524,622.90

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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.