Home / 434,582.20-651,873.30-418,835.80

Finding the Fourth Proportional to 434,582.20, 651,873.30 and 418,835.80

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Solution

The fourth proportional to 434,582.20, 651,873.30 and 418,835.80 is: 628,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,582.20 : 651,873.30 = 418,835.80 : x
  2. Step 2: Convert to fraction form
    434,582.20/651,873.30 = 418,835.80/x
  3. Step 3: Cross multiply
    434,582.20x = 651,873.30 × 418,835.80
  4. Step 4: Simplify right side
    434,582.20x = 273,027,875,104.14
  5. Step 5: Solve for x
    x = 273,027,875,104.14/434,582.20
  6. Step 6: Final answer
    x = 628,253.70

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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.