Home / 718,233.60-1,075,276.80-438,297.60

Finding the Fourth Proportional to 718,233.60, 1,075,276.80 and 438,297.60

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Solution

The fourth proportional to 718,233.60, 1,075,276.80 and 438,297.60 is: 656,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,233.60 : 1,075,276.80 = 438,297.60 : x
  2. Step 2: Convert to fraction form
    718,233.60/1,075,276.80 = 438,297.60/x
  3. Step 3: Cross multiply
    718,233.60x = 1,075,276.80 × 438,297.60
  4. Step 4: Simplify right side
    718,233.60x = 471,291,240,775.68
  5. Step 5: Solve for x
    x = 471,291,240,775.68/718,233.60
  6. Step 6: Final answer
    x = 656,181.00

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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.