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Finding the Fourth Proportional to 435,902.91, 601,814.40 and 345,623.55

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Solution

The fourth proportional to 435,902.91, 601,814.40 and 345,623.55 is: 477,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,902.91 : 601,814.40 = 345,623.55 : x
  2. Step 2: Convert to fraction form
    435,902.91/601,814.40 = 345,623.55/x
  3. Step 3: Cross multiply
    435,902.91x = 601,814.40 × 345,623.55
  4. Step 4: Simplify right side
    435,902.91x = 208,001,229,369.12
  5. Step 5: Solve for x
    x = 208,001,229,369.12/435,902.91
  6. Step 6: Final answer
    x = 477,173.30

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1.5x scale

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.