Home / 727,979.60-1,091,969.40-603,563.60

Finding the Fourth Proportional to 727,979.60, 1,091,969.40 and 603,563.60

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Solution

The fourth proportional to 727,979.60, 1,091,969.40 and 603,563.60 is: 905,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,979.60 : 1,091,969.40 = 603,563.60 : x
  2. Step 2: Convert to fraction form
    727,979.60/1,091,969.40 = 603,563.60/x
  3. Step 3: Cross multiply
    727,979.60x = 1,091,969.40 × 603,563.60
  4. Step 4: Simplify right side
    727,979.60x = 659,072,982,153.84
  5. Step 5: Solve for x
    x = 659,072,982,153.84/727,979.60
  6. Step 6: Final answer
    x = 905,345.40

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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.