Home / 873,268.12-1,205,109.82-486,075.19

Finding the Fourth Proportional to 873,268.12, 1,205,109.82 and 486,075.19

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Solution

The fourth proportional to 873,268.12, 1,205,109.82 and 486,075.19 is: 670,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,268.12 : 1,205,109.82 = 486,075.19 : x
  2. Step 2: Convert to fraction form
    873,268.12/1,205,109.82 = 486,075.19/x
  3. Step 3: Cross multiply
    873,268.12x = 1,205,109.82 × 486,075.19
  4. Step 4: Simplify right side
    873,268.12x = 585,773,984,727.37
  5. Step 5: Solve for x
    x = 585,773,984,727.37/873,268.12
  6. Step 6: Final answer
    x = 670,783.66

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1.5x scale

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.