Home / 854,844.50-1,179,569.88-487,369.04

Finding the Fourth Proportional to 854,844.50, 1,179,569.88 and 487,369.04

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Solution

The fourth proportional to 854,844.50, 1,179,569.88 and 487,369.04 is: 672,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,844.50 : 1,179,569.88 = 487,369.04 : x
  2. Step 2: Convert to fraction form
    854,844.50/1,179,569.88 = 487,369.04/x
  3. Step 3: Cross multiply
    854,844.50x = 1,179,569.88 × 487,369.04
  4. Step 4: Simplify right side
    854,844.50x = 574,885,834,130.67
  5. Step 5: Solve for x
    x = 574,885,834,130.67/854,844.50
  6. Step 6: Final answer
    x = 672,503.41

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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.