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Finding the Fourth Proportional to 587,563.20, 881,636.40 and 335,037.60

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Solution

The fourth proportional to 587,563.20, 881,636.40 and 335,037.60 is: 502,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,563.20 : 881,636.40 = 335,037.60 : x
  2. Step 2: Convert to fraction form
    587,563.20/881,636.40 = 335,037.60/x
  3. Step 3: Cross multiply
    587,563.20x = 881,636.40 × 335,037.60
  4. Step 4: Simplify right side
    587,563.20x = 295,381,343,528.64
  5. Step 5: Solve for x
    x = 295,381,343,528.64/587,563.20
  6. Step 6: Final answer
    x = 502,722.67

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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.