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Finding the Fourth Proportional to 482,661.40, 723,279.30 and 349,821.40

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Solution

The fourth proportional to 482,661.40, 723,279.30 and 349,821.40 is: 524,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,661.40 : 723,279.30 = 349,821.40 : x
  2. Step 2: Convert to fraction form
    482,661.40/723,279.30 = 349,821.40/x
  3. Step 3: Cross multiply
    482,661.40x = 723,279.30 × 349,821.40
  4. Step 4: Simplify right side
    482,661.40x = 253,018,577,317.02
  5. Step 5: Solve for x
    x = 253,018,577,317.02/482,661.40
  6. Step 6: Final answer
    x = 524,215.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.