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Finding the Fourth Proportional to 670,014.95, 924,656.09 and 379,682.80

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Solution

The fourth proportional to 670,014.95, 924,656.09 and 379,682.80 is: 523,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,014.95 : 924,656.09 = 379,682.80 : x
  2. Step 2: Convert to fraction form
    670,014.95/924,656.09 = 379,682.80/x
  3. Step 3: Cross multiply
    670,014.95x = 924,656.09 × 379,682.80
  4. Step 4: Simplify right side
    670,014.95x = 351,076,013,288.25
  5. Step 5: Solve for x
    x = 351,076,013,288.25/670,014.95
  6. Step 6: Final answer
    x = 523,982.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.