Home / 727,007.40-1,090,683.90-306,066.60

Finding the Fourth Proportional to 727,007.40, 1,090,683.90 and 306,066.60

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Solution

The fourth proportional to 727,007.40, 1,090,683.90 and 306,066.60 is: 459,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,007.40 : 1,090,683.90 = 306,066.60 : x
  2. Step 2: Convert to fraction form
    727,007.40/1,090,683.90 = 306,066.60/x
  3. Step 3: Cross multiply
    727,007.40x = 1,090,683.90 × 306,066.60
  4. Step 4: Simplify right side
    727,007.40x = 333,821,912,947.74
  5. Step 5: Solve for x
    x = 333,821,912,947.74/727,007.40
  6. Step 6: Final answer
    x = 459,172.65

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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.