Home / 847,775.25-1,169,665.92-520,745.31

Finding the Fourth Proportional to 847,775.25, 1,169,665.92 and 520,745.31

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Solution

The fourth proportional to 847,775.25, 1,169,665.92 and 520,745.31 is: 718,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,775.25 : 1,169,665.92 = 520,745.31 : x
  2. Step 2: Convert to fraction form
    847,775.25/1,169,665.92 = 520,745.31/x
  3. Step 3: Cross multiply
    847,775.25x = 1,169,665.92 × 520,745.31
  4. Step 4: Simplify right side
    847,775.25x = 609,098,042,106.84
  5. Step 5: Solve for x
    x = 609,098,042,106.84/847,775.25
  6. Step 6: Final answer
    x = 718,466.41

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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.