Home / 679,965.64-1,020,170.36-325,007.32

Finding the Fourth Proportional to 679,965.64, 1,020,170.36 and 325,007.32

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Solution

The fourth proportional to 679,965.64, 1,020,170.36 and 325,007.32 is: 487,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,965.64 : 1,020,170.36 = 325,007.32 : x
  2. Step 2: Convert to fraction form
    679,965.64/1,020,170.36 = 325,007.32/x
  3. Step 3: Cross multiply
    679,965.64x = 1,020,170.36 × 325,007.32
  4. Step 4: Simplify right side
    679,965.64x = 331,562,834,647.04
  5. Step 5: Solve for x
    x = 331,562,834,647.04/679,965.64
  6. Step 6: Final answer
    x = 487,617.04

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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.