Home / 482,020-723,282.12-349,990.84

Finding the Fourth Proportional to 482,020, 723,282.12 and 349,990.84

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Solution

The fourth proportional to 482,020, 723,282.12 and 349,990.84 is: 525,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,020 : 723,282.12 = 349,990.84 : x
  2. Step 2: Convert to fraction form
    482,020/723,282.12 = 349,990.84/x
  3. Step 3: Cross multiply
    482,020x = 723,282.12 × 349,990.84
  4. Step 4: Simplify right side
    482,020x = 253,142,116,735.78
  5. Step 5: Solve for x
    x = 253,142,116,735.78/482,020
  6. Step 6: Final answer
    x = 525,169.32

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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.