Home / 774,689.58-1,162,101.32-213,724.08

Finding the Fourth Proportional to 774,689.58, 1,162,101.32 and 213,724.08

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Solution

The fourth proportional to 774,689.58, 1,162,101.32 and 213,724.08 is: 320,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,689.58 : 1,162,101.32 = 213,724.08 : x
  2. Step 2: Convert to fraction form
    774,689.58/1,162,101.32 = 213,724.08/x
  3. Step 3: Cross multiply
    774,689.58x = 1,162,101.32 × 213,724.08
  4. Step 4: Simplify right side
    774,689.58x = 248,369,035,483.79
  5. Step 5: Solve for x
    x = 248,369,035,483.79/774,689.58
  6. Step 6: Final answer
    x = 320,604.59

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Double scale
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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.