Home / 918,949.02-1,268,150.37-511,041.96

Finding the Fourth Proportional to 918,949.02, 1,268,150.37 and 511,041.96

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Solution

The fourth proportional to 918,949.02, 1,268,150.37 and 511,041.96 is: 705,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,949.02 : 1,268,150.37 = 511,041.96 : x
  2. Step 2: Convert to fraction form
    918,949.02/1,268,150.37 = 511,041.96/x
  3. Step 3: Cross multiply
    918,949.02x = 1,268,150.37 × 511,041.96
  4. Step 4: Simplify right side
    918,949.02x = 648,078,050,659.53
  5. Step 5: Solve for x
    x = 648,078,050,659.53/918,949.02
  6. Step 6: Final answer
    x = 705,238.31

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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.