Home / 509,198.16-702,113.73-325,188.84

Finding the Fourth Proportional to 509,198.16, 702,113.73 and 325,188.84

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Solution

The fourth proportional to 509,198.16, 702,113.73 and 325,188.84 is: 448,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,198.16 : 702,113.73 = 325,188.84 : x
  2. Step 2: Convert to fraction form
    509,198.16/702,113.73 = 325,188.84/x
  3. Step 3: Cross multiply
    509,198.16x = 702,113.73 × 325,188.84
  4. Step 4: Simplify right side
    509,198.16x = 228,319,549,406.77
  5. Step 5: Solve for x
    x = 228,319,549,406.77/509,198.16
  6. Step 6: Final answer
    x = 448,390.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.