Home / 854,916.45-1,179,775.83-467,728.21

Finding the Fourth Proportional to 854,916.45, 1,179,775.83 and 467,728.21

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Solution

The fourth proportional to 854,916.45, 1,179,775.83 and 467,728.21 is: 645,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,916.45 : 1,179,775.83 = 467,728.21 : x
  2. Step 2: Convert to fraction form
    854,916.45/1,179,775.83 = 467,728.21/x
  3. Step 3: Cross multiply
    854,916.45x = 1,179,775.83 × 467,728.21
  4. Step 4: Simplify right side
    854,916.45x = 551,814,437,167.16
  5. Step 5: Solve for x
    x = 551,814,437,167.16/854,916.45
  6. Step 6: Final answer
    x = 645,460.08

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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.