Home / 810,075.75-1,117,904.54-452,379.75

Finding the Fourth Proportional to 810,075.75, 1,117,904.54 and 452,379.75

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Solution

The fourth proportional to 810,075.75, 1,117,904.54 and 452,379.75 is: 624,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,075.75 : 1,117,904.54 = 452,379.75 : x
  2. Step 2: Convert to fraction form
    810,075.75/1,117,904.54 = 452,379.75/x
  3. Step 3: Cross multiply
    810,075.75x = 1,117,904.54 × 452,379.75
  4. Step 4: Simplify right side
    810,075.75x = 505,717,374,067.17
  5. Step 5: Solve for x
    x = 505,717,374,067.17/810,075.75
  6. Step 6: Final answer
    x = 624,284.06

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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.