Home / 763,499.46-1,144,994.85-307,973.04

Finding the Fourth Proportional to 763,499.46, 1,144,994.85 and 307,973.04

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Solution

The fourth proportional to 763,499.46, 1,144,994.85 and 307,973.04 is: 461,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,499.46 : 1,144,994.85 = 307,973.04 : x
  2. Step 2: Convert to fraction form
    763,499.46/1,144,994.85 = 307,973.04/x
  3. Step 3: Cross multiply
    763,499.46x = 1,144,994.85 × 307,973.04
  4. Step 4: Simplify right side
    763,499.46x = 352,627,544,738.84
  5. Step 5: Solve for x
    x = 352,627,544,738.84/763,499.46
  6. Step 6: Final answer
    x = 461,856.97

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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.