Home / 787,583.60-1,182,250.20-433,289.60

Finding the Fourth Proportional to 787,583.60, 1,182,250.20 and 433,289.60

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Solution

The fourth proportional to 787,583.60, 1,182,250.20 and 433,289.60 is: 650,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,583.60 : 1,182,250.20 = 433,289.60 : x
  2. Step 2: Convert to fraction form
    787,583.60/1,182,250.20 = 433,289.60/x
  3. Step 3: Cross multiply
    787,583.60x = 1,182,250.20 × 433,289.60
  4. Step 4: Simplify right side
    787,583.60x = 512,256,716,257.92
  5. Step 5: Solve for x
    x = 512,256,716,257.92/787,583.60
  6. Step 6: Final answer
    x = 650,415.67

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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.