Home / 531,196.28-733,051.01-289,478.91

Finding the Fourth Proportional to 531,196.28, 733,051.01 and 289,478.91

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Solution

The fourth proportional to 531,196.28, 733,051.01 and 289,478.91 is: 399,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,196.28 : 733,051.01 = 289,478.91 : x
  2. Step 2: Convert to fraction form
    531,196.28/733,051.01 = 289,478.91/x
  3. Step 3: Cross multiply
    531,196.28x = 733,051.01 × 289,478.91
  4. Step 4: Simplify right side
    531,196.28x = 212,202,810,821.84
  5. Step 5: Solve for x
    x = 212,202,810,821.84/531,196.28
  6. Step 6: Final answer
    x = 399,480.98

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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.