Home / 672,968.64-1,009,413.36-252,209.28

Finding the Fourth Proportional to 672,968.64, 1,009,413.36 and 252,209.28

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Solution

The fourth proportional to 672,968.64, 1,009,413.36 and 252,209.28 is: 378,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,968.64 : 1,009,413.36 = 252,209.28 : x
  2. Step 2: Convert to fraction form
    672,968.64/1,009,413.36 = 252,209.28/x
  3. Step 3: Cross multiply
    672,968.64x = 1,009,413.36 × 252,209.28
  4. Step 4: Simplify right side
    672,968.64x = 254,583,416,747.98
  5. Step 5: Solve for x
    x = 254,583,416,747.98/672,968.64
  6. Step 6: Final answer
    x = 378,299.08

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1.5x scale

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.