Home / 915,663.59-1,373,692.24-308,512.23

Finding the Fourth Proportional to 915,663.59, 1,373,692.24 and 308,512.23

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Solution

The fourth proportional to 915,663.59, 1,373,692.24 and 308,512.23 is: 462,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,663.59 : 1,373,692.24 = 308,512.23 : x
  2. Step 2: Convert to fraction form
    915,663.59/1,373,692.24 = 308,512.23/x
  3. Step 3: Cross multiply
    915,663.59x = 1,373,692.24 × 308,512.23
  4. Step 4: Simplify right side
    915,663.59x = 423,800,858,959.05
  5. Step 5: Solve for x
    x = 423,800,858,959.05/915,663.59
  6. Step 6: Final answer
    x = 462,834.68

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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.