Home / 531,257.24-733,113.65-289,534.64

Finding the Fourth Proportional to 531,257.24, 733,113.65 and 289,534.64

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Solution

The fourth proportional to 531,257.24, 733,113.65 and 289,534.64 is: 399,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,257.24 : 733,113.65 = 289,534.64 : x
  2. Step 2: Convert to fraction form
    531,257.24/733,113.65 = 289,534.64/x
  3. Step 3: Cross multiply
    531,257.24x = 733,113.65 × 289,534.64
  4. Step 4: Simplify right side
    531,257.24x = 212,261,793,790.10
  5. Step 5: Solve for x
    x = 212,261,793,790.10/531,257.24
  6. Step 6: Final answer
    x = 399,546.16

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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.