Home / 438,072.72-604,814.03-335,901.90

Finding the Fourth Proportional to 438,072.72, 604,814.03 and 335,901.90

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Solution

The fourth proportional to 438,072.72, 604,814.03 and 335,901.90 is: 463,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,072.72 : 604,814.03 = 335,901.90 : x
  2. Step 2: Convert to fraction form
    438,072.72/604,814.03 = 335,901.90/x
  3. Step 3: Cross multiply
    438,072.72x = 604,814.03 × 335,901.90
  4. Step 4: Simplify right side
    438,072.72x = 203,158,181,823.66
  5. Step 5: Solve for x
    x = 203,158,181,823.66/438,072.72
  6. Step 6: Final answer
    x = 463,754.47

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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.