Home / 716,873.60-1,075,310.40-218,172.80

Finding the Fourth Proportional to 716,873.60, 1,075,310.40 and 218,172.80

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Solution

The fourth proportional to 716,873.60, 1,075,310.40 and 218,172.80 is: 327,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,873.60 : 1,075,310.40 = 218,172.80 : x
  2. Step 2: Convert to fraction form
    716,873.60/1,075,310.40 = 218,172.80/x
  3. Step 3: Cross multiply
    716,873.60x = 1,075,310.40 × 218,172.80
  4. Step 4: Simplify right side
    716,873.60x = 234,603,480,837.12
  5. Step 5: Solve for x
    x = 234,603,480,837.12/716,873.60
  6. Step 6: Final answer
    x = 327,259.20

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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.