Home / 531,825.52-733,905.84-290,113.60

Finding the Fourth Proportional to 531,825.52, 733,905.84 and 290,113.60

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Solution

The fourth proportional to 531,825.52, 733,905.84 and 290,113.60 is: 400,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,825.52 : 733,905.84 = 290,113.60 : x
  2. Step 2: Convert to fraction form
    531,825.52/733,905.84 = 290,113.60/x
  3. Step 3: Cross multiply
    531,825.52x = 733,905.84 × 290,113.60
  4. Step 4: Simplify right side
    531,825.52x = 212,916,065,303.42
  5. Step 5: Solve for x
    x = 212,916,065,303.42/531,825.52
  6. Step 6: Final answer
    x = 400,349.47

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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.