Home / 904,613.32-1,357,076.46-305,578.84

Finding the Fourth Proportional to 904,613.32, 1,357,076.46 and 305,578.84

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Solution

The fourth proportional to 904,613.32, 1,357,076.46 and 305,578.84 is: 458,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,613.32 : 1,357,076.46 = 305,578.84 : x
  2. Step 2: Convert to fraction form
    904,613.32/1,357,076.46 = 305,578.84/x
  3. Step 3: Cross multiply
    904,613.32x = 1,357,076.46 × 305,578.84
  4. Step 4: Simplify right side
    904,613.32x = 414,693,850,438.11
  5. Step 5: Solve for x
    x = 414,693,850,438.11/904,613.32
  6. Step 6: Final answer
    x = 458,421.12

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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.