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Finding the Fourth Proportional to 609,000.14, 913,085.02 and 308,902.05

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Solution

The fourth proportional to 609,000.14, 913,085.02 and 308,902.05 is: 463,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,000.14 : 913,085.02 = 308,902.05 : x
  2. Step 2: Convert to fraction form
    609,000.14/913,085.02 = 308,902.05/x
  3. Step 3: Cross multiply
    609,000.14x = 913,085.02 × 308,902.05
  4. Step 4: Simplify right side
    609,000.14x = 282,053,834,888.42
  5. Step 5: Solve for x
    x = 282,053,834,888.42/609,000.14
  6. Step 6: Final answer
    x = 463,142.48

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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.