Home / 915,630.30-1,373,117.40-466,201.80

Finding the Fourth Proportional to 915,630.30, 1,373,117.40 and 466,201.80

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Solution

The fourth proportional to 915,630.30, 1,373,117.40 and 466,201.80 is: 699,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,630.30 : 1,373,117.40 = 466,201.80 : x
  2. Step 2: Convert to fraction form
    915,630.30/1,373,117.40 = 466,201.80/x
  3. Step 3: Cross multiply
    915,630.30x = 1,373,117.40 × 466,201.80
  4. Step 4: Simplify right side
    915,630.30x = 640,149,803,491.32
  5. Step 5: Solve for x
    x = 640,149,803,491.32/915,630.30
  6. Step 6: Final answer
    x = 699,135.67

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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.