Home / 804,782.90-1,207,320.15-404,416.10

Finding the Fourth Proportional to 804,782.90, 1,207,320.15 and 404,416.10

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Solution

The fourth proportional to 804,782.90, 1,207,320.15 and 404,416.10 is: 606,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,782.90 : 1,207,320.15 = 404,416.10 : x
  2. Step 2: Convert to fraction form
    804,782.90/1,207,320.15 = 404,416.10/x
  3. Step 3: Cross multiply
    804,782.90x = 1,207,320.15 × 404,416.10
  4. Step 4: Simplify right side
    804,782.90x = 488,259,706,514.42
  5. Step 5: Solve for x
    x = 488,259,706,514.42/804,782.90
  6. Step 6: Final answer
    x = 606,697.42

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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.