Home / 554,830.02-765,665.73-385,162.56

Finding the Fourth Proportional to 554,830.02, 765,665.73 and 385,162.56

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Solution

The fourth proportional to 554,830.02, 765,665.73 and 385,162.56 is: 531,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,830.02 : 765,665.73 = 385,162.56 : x
  2. Step 2: Convert to fraction form
    554,830.02/765,665.73 = 385,162.56/x
  3. Step 3: Cross multiply
    554,830.02x = 765,665.73 × 385,162.56
  4. Step 4: Simplify right side
    554,830.02x = 294,905,772,671.07
  5. Step 5: Solve for x
    x = 294,905,772,671.07/554,830.02
  6. Step 6: Final answer
    x = 531,524.54

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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.