Home / 688,203.42-1,032,129.81-214,936.62

Finding the Fourth Proportional to 688,203.42, 1,032,129.81 and 214,936.62

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Solution

The fourth proportional to 688,203.42, 1,032,129.81 and 214,936.62 is: 322,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,203.42 : 1,032,129.81 = 214,936.62 : x
  2. Step 2: Convert to fraction form
    688,203.42/1,032,129.81 = 214,936.62/x
  3. Step 3: Cross multiply
    688,203.42x = 1,032,129.81 × 214,936.62
  4. Step 4: Simplify right side
    688,203.42x = 221,842,492,762.64
  5. Step 5: Solve for x
    x = 221,842,492,762.64/688,203.42
  6. Step 6: Final answer
    x = 322,350.17

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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.