Home / 717,639.67-1,074,374.56-417,204.19

Finding the Fourth Proportional to 717,639.67, 1,074,374.56 and 417,204.19

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Solution

The fourth proportional to 717,639.67, 1,074,374.56 and 417,204.19 is: 624,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,639.67 : 1,074,374.56 = 417,204.19 : x
  2. Step 2: Convert to fraction form
    717,639.67/1,074,374.56 = 417,204.19/x
  3. Step 3: Cross multiply
    717,639.67x = 1,074,374.56 × 417,204.19
  4. Step 4: Simplify right side
    717,639.67x = 448,233,568,061.41
  5. Step 5: Solve for x
    x = 448,233,568,061.41/717,639.67
  6. Step 6: Final answer
    x = 624,594.19

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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.