Home / 432,579.20-648,917.40-133,057.40

Finding the Fourth Proportional to 432,579.20, 648,917.40 and 133,057.40

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Solution

The fourth proportional to 432,579.20, 648,917.40 and 133,057.40 is: 199,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,579.20 : 648,917.40 = 133,057.40 : x
  2. Step 2: Convert to fraction form
    432,579.20/648,917.40 = 133,057.40/x
  3. Step 3: Cross multiply
    432,579.20x = 648,917.40 × 133,057.40
  4. Step 4: Simplify right side
    432,579.20x = 86,343,262,058.76
  5. Step 5: Solve for x
    x = 86,343,262,058.76/432,579.20
  6. Step 6: Final answer
    x = 199,601.05

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1.5x scale

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.