Home / 519,962.20-780,056.70-295,430.20

Finding the Fourth Proportional to 519,962.20, 780,056.70 and 295,430.20

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Solution

The fourth proportional to 519,962.20, 780,056.70 and 295,430.20 is: 443,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,962.20 : 780,056.70 = 295,430.20 : x
  2. Step 2: Convert to fraction form
    519,962.20/780,056.70 = 295,430.20/x
  3. Step 3: Cross multiply
    519,962.20x = 780,056.70 × 295,430.20
  4. Step 4: Simplify right side
    519,962.20x = 230,452,306,892.34
  5. Step 5: Solve for x
    x = 230,452,306,892.34/519,962.20
  6. Step 6: Final answer
    x = 443,209.73

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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.