Home / 531,445.86-733,461.48-305,086.50

Finding the Fourth Proportional to 531,445.86, 733,461.48 and 305,086.50

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Solution

The fourth proportional to 531,445.86, 733,461.48 and 305,086.50 is: 421,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,445.86 : 733,461.48 = 305,086.50 : x
  2. Step 2: Convert to fraction form
    531,445.86/733,461.48 = 305,086.50/x
  3. Step 3: Cross multiply
    531,445.86x = 733,461.48 × 305,086.50
  4. Step 4: Simplify right side
    531,445.86x = 223,769,195,818.02
  5. Step 5: Solve for x
    x = 223,769,195,818.02/531,445.86
  6. Step 6: Final answer
    x = 421,057.37

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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.