Home / 804,766.63-1,208,174.27-521,641.92

Finding the Fourth Proportional to 804,766.63, 1,208,174.27 and 521,641.92

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Solution

The fourth proportional to 804,766.63, 1,208,174.27 and 521,641.92 is: 783,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,766.63 : 1,208,174.27 = 521,641.92 : x
  2. Step 2: Convert to fraction form
    804,766.63/1,208,174.27 = 521,641.92/x
  3. Step 3: Cross multiply
    804,766.63x = 1,208,174.27 × 521,641.92
  4. Step 4: Simplify right side
    804,766.63x = 630,234,352,221.20
  5. Step 5: Solve for x
    x = 630,234,352,221.20/804,766.63
  6. Step 6: Final answer
    x = 783,126.85

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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.