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Finding the Fourth Proportional to 437,905.20, 656,857.80 and 302,602.80

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Solution

The fourth proportional to 437,905.20, 656,857.80 and 302,602.80 is: 453,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,905.20 : 656,857.80 = 302,602.80 : x
  2. Step 2: Convert to fraction form
    437,905.20/656,857.80 = 302,602.80/x
  3. Step 3: Cross multiply
    437,905.20x = 656,857.80 × 302,602.80
  4. Step 4: Simplify right side
    437,905.20x = 198,767,009,481.84
  5. Step 5: Solve for x
    x = 198,767,009,481.84/437,905.20
  6. Step 6: Final answer
    x = 453,904.20

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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.