Home / 531,515.04-733,496.48-289,795.64

Finding the Fourth Proportional to 531,515.04, 733,496.48 and 289,795.64

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Solution

The fourth proportional to 531,515.04, 733,496.48 and 289,795.64 is: 399,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,515.04 : 733,496.48 = 289,795.64 : x
  2. Step 2: Convert to fraction form
    531,515.04/733,496.48 = 289,795.64/x
  3. Step 3: Cross multiply
    531,515.04x = 733,496.48 × 289,795.64
  4. Step 4: Simplify right side
    531,515.04x = 212,564,081,859.35
  5. Step 5: Solve for x
    x = 212,564,081,859.35/531,515.04
  6. Step 6: Final answer
    x = 399,921.10

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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.