Home / 804,961.90-1,207,442.85-521,526.70

Finding the Fourth Proportional to 804,961.90, 1,207,442.85 and 521,526.70

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Solution

The fourth proportional to 804,961.90, 1,207,442.85 and 521,526.70 is: 782,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,961.90 : 1,207,442.85 = 521,526.70 : x
  2. Step 2: Convert to fraction form
    804,961.90/1,207,442.85 = 521,526.70/x
  3. Step 3: Cross multiply
    804,961.90x = 1,207,442.85 × 521,526.70
  4. Step 4: Simplify right side
    804,961.90x = 629,713,684,999.10
  5. Step 5: Solve for x
    x = 629,713,684,999.10/804,961.90
  6. Step 6: Final answer
    x = 782,290.05

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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.