Home / 531,201.86-733,058.70-289,484.49

Finding the Fourth Proportional to 531,201.86, 733,058.70 and 289,484.49

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Solution

The fourth proportional to 531,201.86, 733,058.70 and 289,484.49 is: 399,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,201.86 : 733,058.70 = 289,484.49 : x
  2. Step 2: Convert to fraction form
    531,201.86/733,058.70 = 289,484.49/x
  3. Step 3: Cross multiply
    531,201.86x = 733,058.70 × 289,484.49
  4. Step 4: Simplify right side
    531,201.86x = 212,209,123,909.56
  5. Step 5: Solve for x
    x = 212,209,123,909.56/531,201.86
  6. Step 6: Final answer
    x = 399,488.67

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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.