Home / 854,646.71-1,179,430.22-472,699.31

Finding the Fourth Proportional to 854,646.71, 1,179,430.22 and 472,699.31

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Solution

The fourth proportional to 854,646.71, 1,179,430.22 and 472,699.31 is: 652,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,646.71 : 1,179,430.22 = 472,699.31 : x
  2. Step 2: Convert to fraction form
    854,646.71/1,179,430.22 = 472,699.31/x
  3. Step 3: Cross multiply
    854,646.71x = 1,179,430.22 × 472,699.31
  4. Step 4: Simplify right side
    854,646.71x = 557,515,848,823.65
  5. Step 5: Solve for x
    x = 557,515,848,823.65/854,646.71
  6. Step 6: Final answer
    x = 652,334.87

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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.