Home / 759,686.68-1,139,918.82-310,739.32

Finding the Fourth Proportional to 759,686.68, 1,139,918.82 and 310,739.32

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Solution

The fourth proportional to 759,686.68, 1,139,918.82 and 310,739.32 is: 466,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,686.68 : 1,139,918.82 = 310,739.32 : x
  2. Step 2: Convert to fraction form
    759,686.68/1,139,918.82 = 310,739.32/x
  3. Step 3: Cross multiply
    759,686.68x = 1,139,918.82 × 310,739.32
  4. Step 4: Simplify right side
    759,686.68x = 354,217,598,982.00
  5. Step 5: Solve for x
    x = 354,217,598,982.00/759,686.68
  6. Step 6: Final answer
    x = 466,268.01

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Why These Related Problems?

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