Home / 839,979.30-1,257,344.55-603,783.30

Finding the Fourth Proportional to 839,979.30, 1,257,344.55 and 603,783.30

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Solution

The fourth proportional to 839,979.30, 1,257,344.55 and 603,783.30 is: 903,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,979.30 : 1,257,344.55 = 603,783.30 : x
  2. Step 2: Convert to fraction form
    839,979.30/1,257,344.55 = 603,783.30/x
  3. Step 3: Cross multiply
    839,979.30x = 1,257,344.55 × 603,783.30
  4. Step 4: Simplify right side
    839,979.30x = 759,163,641,636.02
  5. Step 5: Solve for x
    x = 759,163,641,636.02/839,979.30
  6. Step 6: Final answer
    x = 903,788.51

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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.