Home / 854,431.37-1,281,774.47-314,646.13

Finding the Fourth Proportional to 854,431.37, 1,281,774.47 and 314,646.13

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Solution

The fourth proportional to 854,431.37, 1,281,774.47 and 314,646.13 is: 472,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,431.37 : 1,281,774.47 = 314,646.13 : x
  2. Step 2: Convert to fraction form
    854,431.37/1,281,774.47 = 314,646.13/x
  3. Step 3: Cross multiply
    854,431.37x = 1,281,774.47 × 314,646.13
  4. Step 4: Simplify right side
    854,431.37x = 403,305,376,518.30
  5. Step 5: Solve for x
    x = 403,305,376,518.30/854,431.37
  6. Step 6: Final answer
    x = 472,016.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.