Home / 854,617.91-1,179,363.16-467,444.45

Finding the Fourth Proportional to 854,617.91, 1,179,363.16 and 467,444.45

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Solution

The fourth proportional to 854,617.91, 1,179,363.16 and 467,444.45 is: 645,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,617.91 : 1,179,363.16 = 467,444.45 : x
  2. Step 2: Convert to fraction form
    854,617.91/1,179,363.16 = 467,444.45/x
  3. Step 3: Cross multiply
    854,617.91x = 1,179,363.16 × 467,444.45
  4. Step 4: Simplify right side
    854,617.91x = 551,286,764,579.80
  5. Step 5: Solve for x
    x = 551,286,764,579.80/854,617.91
  6. Step 6: Final answer
    x = 645,068.11

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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.