Home / 438,020.04-604,469.06-236,817.48

Finding the Fourth Proportional to 438,020.04, 604,469.06 and 236,817.48

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Solution

The fourth proportional to 438,020.04, 604,469.06 and 236,817.48 is: 326,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,020.04 : 604,469.06 = 236,817.48 : x
  2. Step 2: Convert to fraction form
    438,020.04/604,469.06 = 236,817.48/x
  3. Step 3: Cross multiply
    438,020.04x = 604,469.06 × 236,817.48
  4. Step 4: Simplify right side
    438,020.04x = 143,148,839,527.17
  5. Step 5: Solve for x
    x = 143,148,839,527.17/438,020.04
  6. Step 6: Final answer
    x = 326,808.88

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1.5x scale

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.