Home / 610,943.67-916,538.40-211,575.60

Finding the Fourth Proportional to 610,943.67, 916,538.40 and 211,575.60

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Solution

The fourth proportional to 610,943.67, 916,538.40 and 211,575.60 is: 317,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,943.67 : 916,538.40 = 211,575.60 : x
  2. Step 2: Convert to fraction form
    610,943.67/916,538.40 = 211,575.60/x
  3. Step 3: Cross multiply
    610,943.67x = 916,538.40 × 211,575.60
  4. Step 4: Simplify right side
    610,943.67x = 193,917,161,903.04
  5. Step 5: Solve for x
    x = 193,917,161,903.04/610,943.67
  6. Step 6: Final answer
    x = 317,405.96

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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.