Home / 763,071.96-1,144,815.36-264,474.84

Finding the Fourth Proportional to 763,071.96, 1,144,815.36 and 264,474.84

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Solution

The fourth proportional to 763,071.96, 1,144,815.36 and 264,474.84 is: 396,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,071.96 : 1,144,815.36 = 264,474.84 : x
  2. Step 2: Convert to fraction form
    763,071.96/1,144,815.36 = 264,474.84/x
  3. Step 3: Cross multiply
    763,071.96x = 1,144,815.36 × 264,474.84
  4. Step 4: Simplify right side
    763,071.96x = 302,774,859,165.54
  5. Step 5: Solve for x
    x = 302,774,859,165.54/763,071.96
  6. Step 6: Final answer
    x = 396,784.15

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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.