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Finding the Fourth Proportional to 525,483.45, 725,285.20 and 344,090.03

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Solution

The fourth proportional to 525,483.45, 725,285.20 and 344,090.03 is: 474,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,483.45 : 725,285.20 = 344,090.03 : x
  2. Step 2: Convert to fraction form
    525,483.45/725,285.20 = 344,090.03/x
  3. Step 3: Cross multiply
    525,483.45x = 725,285.20 × 344,090.03
  4. Step 4: Simplify right side
    525,483.45x = 249,563,406,226.56
  5. Step 5: Solve for x
    x = 249,563,406,226.56/525,483.45
  6. Step 6: Final answer
    x = 474,921.53

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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.