Home / 854,918.45-1,179,778.59-467,730.21

Finding the Fourth Proportional to 854,918.45, 1,179,778.59 and 467,730.21

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Solution

The fourth proportional to 854,918.45, 1,179,778.59 and 467,730.21 is: 645,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,918.45 : 1,179,778.59 = 467,730.21 : x
  2. Step 2: Convert to fraction form
    854,918.45/1,179,778.59 = 467,730.21/x
  3. Step 3: Cross multiply
    854,918.45x = 1,179,778.59 × 467,730.21
  4. Step 4: Simplify right side
    854,918.45x = 551,818,087,654.20
  5. Step 5: Solve for x
    x = 551,818,087,654.20/854,918.45
  6. Step 6: Final answer
    x = 645,462.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.