Home / 496,046.36-684,551.28-278,303.18

Finding the Fourth Proportional to 496,046.36, 684,551.28 and 278,303.18

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Solution

The fourth proportional to 496,046.36, 684,551.28 and 278,303.18 is: 384,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,046.36 : 684,551.28 = 278,303.18 : x
  2. Step 2: Convert to fraction form
    496,046.36/684,551.28 = 278,303.18/x
  3. Step 3: Cross multiply
    496,046.36x = 684,551.28 × 278,303.18
  4. Step 4: Simplify right side
    496,046.36x = 190,512,795,717.95
  5. Step 5: Solve for x
    x = 190,512,795,717.95/496,046.36
  6. Step 6: Final answer
    x = 384,062.48

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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.