Home / 808,783.17-1,213,361.45-240,151.62

Finding the Fourth Proportional to 808,783.17, 1,213,361.45 and 240,151.62

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Solution

The fourth proportional to 808,783.17, 1,213,361.45 and 240,151.62 is: 360,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,783.17 : 1,213,361.45 = 240,151.62 : x
  2. Step 2: Convert to fraction form
    808,783.17/1,213,361.45 = 240,151.62/x
  3. Step 3: Cross multiply
    808,783.17x = 1,213,361.45 × 240,151.62
  4. Step 4: Simplify right side
    808,783.17x = 291,390,717,863.05
  5. Step 5: Solve for x
    x = 291,390,717,863.05/808,783.17
  6. Step 6: Final answer
    x = 360,282.87

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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.