Home / 704,660.72-1,057,152.54-305,368.52

Finding the Fourth Proportional to 704,660.72, 1,057,152.54 and 305,368.52

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Solution

The fourth proportional to 704,660.72, 1,057,152.54 and 305,368.52 is: 458,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,660.72 : 1,057,152.54 = 305,368.52 : x
  2. Step 2: Convert to fraction form
    704,660.72/1,057,152.54 = 305,368.52/x
  3. Step 3: Cross multiply
    704,660.72x = 1,057,152.54 × 305,368.52
  4. Step 4: Simplify right side
    704,660.72x = 322,821,106,554.04
  5. Step 5: Solve for x
    x = 322,821,106,554.04/704,660.72
  6. Step 6: Final answer
    x = 458,122.75

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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.