Home / 531,223.96-733,067.67-289,501.35

Finding the Fourth Proportional to 531,223.96, 733,067.67 and 289,501.35

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Solution

The fourth proportional to 531,223.96, 733,067.67 and 289,501.35 is: 399,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,223.96 : 733,067.67 = 289,501.35 : x
  2. Step 2: Convert to fraction form
    531,223.96/733,067.67 = 289,501.35/x
  3. Step 3: Cross multiply
    531,223.96x = 733,067.67 × 289,501.35
  4. Step 4: Simplify right side
    531,223.96x = 212,224,080,106.36
  5. Step 5: Solve for x
    x = 212,224,080,106.36/531,223.96
  6. Step 6: Final answer
    x = 399,500.20

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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.