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Finding the Fourth Proportional to 519,237.60, 727,982.40 and 519,237.60

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Solution

The fourth proportional to 519,237.60, 727,982.40 and 519,237.60 is: 727,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,237.60 : 727,982.40 = 519,237.60 : x
  2. Step 2: Convert to fraction form
    519,237.60/727,982.40 = 519,237.60/x
  3. Step 3: Cross multiply
    519,237.60x = 727,982.40 × 519,237.60
  4. Step 4: Simplify right side
    519,237.60x = 377,995,834,218.24
  5. Step 5: Solve for x
    x = 377,995,834,218.24/519,237.60
  6. Step 6: Final answer
    x = 727,982.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.