Home / 857,241.32-1,286,075.79-605,014.47

Finding the Fourth Proportional to 857,241.32, 1,286,075.79 and 605,014.47

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Solution

The fourth proportional to 857,241.32, 1,286,075.79 and 605,014.47 is: 907,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,241.32 : 1,286,075.79 = 605,014.47 : x
  2. Step 2: Convert to fraction form
    857,241.32/1,286,075.79 = 605,014.47/x
  3. Step 3: Cross multiply
    857,241.32x = 1,286,075.79 × 605,014.47
  4. Step 4: Simplify right side
    857,241.32x = 778,094,462,466.68
  5. Step 5: Solve for x
    x = 778,094,462,466.68/857,241.32
  6. Step 6: Final answer
    x = 907,672.61

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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.