Home / 872,119.47-1,308,376.62-303,527.40

Finding the Fourth Proportional to 872,119.47, 1,308,376.62 and 303,527.40

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Solution

The fourth proportional to 872,119.47, 1,308,376.62 and 303,527.40 is: 455,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,119.47 : 1,308,376.62 = 303,527.40 : x
  2. Step 2: Convert to fraction form
    872,119.47/1,308,376.62 = 303,527.40/x
  3. Step 3: Cross multiply
    872,119.47x = 1,308,376.62 × 303,527.40
  4. Step 4: Simplify right side
    872,119.47x = 397,128,153,689.39
  5. Step 5: Solve for x
    x = 397,128,153,689.39/872,119.47
  6. Step 6: Final answer
    x = 455,359.81

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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.