Home / 804,643.90-1,207,111.65-404,277.10

Finding the Fourth Proportional to 804,643.90, 1,207,111.65 and 404,277.10

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Solution

The fourth proportional to 804,643.90, 1,207,111.65 and 404,277.10 is: 606,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,643.90 : 1,207,111.65 = 404,277.10 : x
  2. Step 2: Convert to fraction form
    804,643.90/1,207,111.65 = 404,277.10/x
  3. Step 3: Cross multiply
    804,643.90x = 1,207,111.65 × 404,277.10
  4. Step 4: Simplify right side
    804,643.90x = 488,007,597,238.22
  5. Step 5: Solve for x
    x = 488,007,597,238.22/804,643.90
  6. Step 6: Final answer
    x = 606,488.90

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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.