Home / 713,461.31-1,070,211.44-208,010.07

Finding the Fourth Proportional to 713,461.31, 1,070,211.44 and 208,010.07

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Solution

The fourth proportional to 713,461.31, 1,070,211.44 and 208,010.07 is: 312,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,461.31 : 1,070,211.44 = 208,010.07 : x
  2. Step 2: Convert to fraction form
    713,461.31/1,070,211.44 = 208,010.07/x
  3. Step 3: Cross multiply
    713,461.31x = 1,070,211.44 × 208,010.07
  4. Step 4: Simplify right side
    713,461.31x = 222,614,750,158.09
  5. Step 5: Solve for x
    x = 222,614,750,158.09/713,461.31
  6. Step 6: Final answer
    x = 312,020.78

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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.