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Finding the Fourth Proportional to 434,354.91, 650,812.26 and 307,365.96

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Solution

The fourth proportional to 434,354.91, 650,812.26 and 307,365.96 is: 460,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,354.91 : 650,812.26 = 307,365.96 : x
  2. Step 2: Convert to fraction form
    434,354.91/650,812.26 = 307,365.96/x
  3. Step 3: Cross multiply
    434,354.91x = 650,812.26 × 307,365.96
  4. Step 4: Simplify right side
    434,354.91x = 200,037,535,074.67
  5. Step 5: Solve for x
    x = 200,037,535,074.67/434,354.91
  6. Step 6: Final answer
    x = 460,539.37

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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.