Home / 718,790.40-1,078,314.71-245,365.07

Finding the Fourth Proportional to 718,790.40, 1,078,314.71 and 245,365.07

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Solution

The fourth proportional to 718,790.40, 1,078,314.71 and 245,365.07 is: 368,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,790.40 : 1,078,314.71 = 245,365.07 : x
  2. Step 2: Convert to fraction form
    718,790.40/1,078,314.71 = 245,365.07/x
  3. Step 3: Cross multiply
    718,790.40x = 1,078,314.71 × 245,365.07
  4. Step 4: Simplify right side
    718,790.40x = 264,580,764,301.18
  5. Step 5: Solve for x
    x = 264,580,764,301.18/718,790.40
  6. Step 6: Final answer
    x = 368,091.68

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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.