Home / 531,749.28-733,822.74-290,031.86

Finding the Fourth Proportional to 531,749.28, 733,822.74 and 290,031.86

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Solution

The fourth proportional to 531,749.28, 733,822.74 and 290,031.86 is: 400,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,749.28 : 733,822.74 = 290,031.86 : x
  2. Step 2: Convert to fraction form
    531,749.28/733,822.74 = 290,031.86/x
  3. Step 3: Cross multiply
    531,749.28x = 733,822.74 × 290,031.86
  4. Step 4: Simplify right side
    531,749.28x = 212,831,974,192.50
  5. Step 5: Solve for x
    x = 212,831,974,192.50/531,749.28
  6. Step 6: Final answer
    x = 400,248.73

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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.