Home / 854,102.82-1,178,668.98-472,135.98

Finding the Fourth Proportional to 854,102.82, 1,178,668.98 and 472,135.98

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Solution

The fourth proportional to 854,102.82, 1,178,668.98 and 472,135.98 is: 651,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,102.82 : 1,178,668.98 = 472,135.98 : x
  2. Step 2: Convert to fraction form
    854,102.82/1,178,668.98 = 472,135.98/x
  3. Step 3: Cross multiply
    854,102.82x = 1,178,668.98 × 472,135.98
  4. Step 4: Simplify right side
    854,102.82x = 556,492,033,967.90
  5. Step 5: Solve for x
    x = 556,492,033,967.90/854,102.82
  6. Step 6: Final answer
    x = 651,551.57

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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.