Home / 788,513.22-1,087,804.89-482,603.22

Finding the Fourth Proportional to 788,513.22, 1,087,804.89 and 482,603.22

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Solution

The fourth proportional to 788,513.22, 1,087,804.89 and 482,603.22 is: 665,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,513.22 : 1,087,804.89 = 482,603.22 : x
  2. Step 2: Convert to fraction form
    788,513.22/1,087,804.89 = 482,603.22/x
  3. Step 3: Cross multiply
    788,513.22x = 1,087,804.89 × 482,603.22
  4. Step 4: Simplify right side
    788,513.22x = 524,978,142,645.75
  5. Step 5: Solve for x
    x = 524,978,142,645.75/788,513.22
  6. Step 6: Final answer
    x = 665,782.30

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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.