Home / 904,769.40-1,357,110.90-305,671.80

Finding the Fourth Proportional to 904,769.40, 1,357,110.90 and 305,671.80

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Solution

The fourth proportional to 904,769.40, 1,357,110.90 and 305,671.80 is: 458,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,769.40 : 1,357,110.90 = 305,671.80 : x
  2. Step 2: Convert to fraction form
    904,769.40/1,357,110.90 = 305,671.80/x
  3. Step 3: Cross multiply
    904,769.40x = 1,357,110.90 × 305,671.80
  4. Step 4: Simplify right side
    904,769.40x = 414,830,531,602.62
  5. Step 5: Solve for x
    x = 414,830,531,602.62/904,769.40
  6. Step 6: Final answer
    x = 458,493.11

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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.