Home / 713,890.31-1,071,785.79-414,585.71

Finding the Fourth Proportional to 713,890.31, 1,071,785.79 and 414,585.71

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Solution

The fourth proportional to 713,890.31, 1,071,785.79 and 414,585.71 is: 622,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,890.31 : 1,071,785.79 = 414,585.71 : x
  2. Step 2: Convert to fraction form
    713,890.31/1,071,785.79 = 414,585.71/x
  3. Step 3: Cross multiply
    713,890.31x = 1,071,785.79 × 414,585.71
  4. Step 4: Simplify right side
    713,890.31x = 444,347,072,715.06
  5. Step 5: Solve for x
    x = 444,347,072,715.06/713,890.31
  6. Step 6: Final answer
    x = 622,430.46

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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.