Home / 915,144.80-1,373,093.44-402,546.02

Finding the Fourth Proportional to 915,144.80, 1,373,093.44 and 402,546.02

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Solution

The fourth proportional to 915,144.80, 1,373,093.44 and 402,546.02 is: 603,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,144.80 : 1,373,093.44 = 402,546.02 : x
  2. Step 2: Convert to fraction form
    915,144.80/1,373,093.44 = 402,546.02/x
  3. Step 3: Cross multiply
    915,144.80x = 1,373,093.44 × 402,546.02
  4. Step 4: Simplify right side
    915,144.80x = 552,733,291,488.28
  5. Step 5: Solve for x
    x = 552,733,291,488.28/915,144.80
  6. Step 6: Final answer
    x = 603,984.52

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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.