Home / 563,054.76-776,994.66-308,408.04

Finding the Fourth Proportional to 563,054.76, 776,994.66 and 308,408.04

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Solution

The fourth proportional to 563,054.76, 776,994.66 and 308,408.04 is: 425,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,054.76 : 776,994.66 = 308,408.04 : x
  2. Step 2: Convert to fraction form
    563,054.76/776,994.66 = 308,408.04/x
  3. Step 3: Cross multiply
    563,054.76x = 776,994.66 × 308,408.04
  4. Step 4: Simplify right side
    563,054.76x = 239,631,400,181.07
  5. Step 5: Solve for x
    x = 239,631,400,181.07/563,054.76
  6. Step 6: Final answer
    x = 425,591.64

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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.