Home / 459,084.33-631,985.36-378,384.03

Finding the Fourth Proportional to 459,084.33, 631,985.36 and 378,384.03

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Solution

The fourth proportional to 459,084.33, 631,985.36 and 378,384.03 is: 520,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,084.33 : 631,985.36 = 378,384.03 : x
  2. Step 2: Convert to fraction form
    459,084.33/631,985.36 = 378,384.03/x
  3. Step 3: Cross multiply
    459,084.33x = 631,985.36 × 378,384.03
  4. Step 4: Simplify right side
    459,084.33x = 239,133,165,525.88
  5. Step 5: Solve for x
    x = 239,133,165,525.88/459,084.33
  6. Step 6: Final answer
    x = 520,891.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.