Home / 718,525.60-1,078,954.80-403,597.60

Finding the Fourth Proportional to 718,525.60, 1,078,954.80 and 403,597.60

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Solution

The fourth proportional to 718,525.60, 1,078,954.80 and 403,597.60 is: 606,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,525.60 : 1,078,954.80 = 403,597.60 : x
  2. Step 2: Convert to fraction form
    718,525.60/1,078,954.80 = 403,597.60/x
  3. Step 3: Cross multiply
    718,525.60x = 1,078,954.80 × 403,597.60
  4. Step 4: Simplify right side
    718,525.60x = 435,463,567,788.48
  5. Step 5: Solve for x
    x = 435,463,567,788.48/718,525.60
  6. Step 6: Final answer
    x = 606,051.57

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1.5x scale

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.