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Finding the Fourth Proportional to 882,783.20, 1,324,347.60 and 377,343.20

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Solution

The fourth proportional to 882,783.20, 1,324,347.60 and 377,343.20 is: 566,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,783.20 : 1,324,347.60 = 377,343.20 : x
  2. Step 2: Convert to fraction form
    882,783.20/1,324,347.60 = 377,343.20/x
  3. Step 3: Cross multiply
    882,783.20x = 1,324,347.60 × 377,343.20
  4. Step 4: Simplify right side
    882,783.20x = 499,733,561,296.32
  5. Step 5: Solve for x
    x = 499,733,561,296.32/882,783.20
  6. Step 6: Final answer
    x = 566,088.66

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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.