Home / 769,539.82-1,154,309.74-208,574.32

Finding the Fourth Proportional to 769,539.82, 1,154,309.74 and 208,574.32

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Solution

The fourth proportional to 769,539.82, 1,154,309.74 and 208,574.32 is: 312,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,539.82 : 1,154,309.74 = 208,574.32 : x
  2. Step 2: Convert to fraction form
    769,539.82/1,154,309.74 = 208,574.32/x
  3. Step 3: Cross multiply
    769,539.82x = 1,154,309.74 × 208,574.32
  4. Step 4: Simplify right side
    769,539.82x = 240,759,369,089.88
  5. Step 5: Solve for x
    x = 240,759,369,089.88/769,539.82
  6. Step 6: Final answer
    x = 312,861.48

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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.