Home / 384,749.40-577,124.10-379,500.60

Finding the Fourth Proportional to 384,749.40, 577,124.10 and 379,500.60

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Solution

The fourth proportional to 384,749.40, 577,124.10 and 379,500.60 is: 569,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,749.40 : 577,124.10 = 379,500.60 : x
  2. Step 2: Convert to fraction form
    384,749.40/577,124.10 = 379,500.60/x
  3. Step 3: Cross multiply
    384,749.40x = 577,124.10 × 379,500.60
  4. Step 4: Simplify right side
    384,749.40x = 219,018,942,224.46
  5. Step 5: Solve for x
    x = 219,018,942,224.46/384,749.40
  6. Step 6: Final answer
    x = 569,250.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.