Home / 804,985.90-1,207,624.65-404,619.10

Finding the Fourth Proportional to 804,985.90, 1,207,624.65 and 404,619.10

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Solution

The fourth proportional to 804,985.90, 1,207,624.65 and 404,619.10 is: 607,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.90 : 1,207,624.65 = 404,619.10 : x
  2. Step 2: Convert to fraction form
    804,985.90/1,207,624.65 = 404,619.10/x
  3. Step 3: Cross multiply
    804,985.90x = 1,207,624.65 × 404,619.10
  4. Step 4: Simplify right side
    804,985.90x = 488,627,999,020.82
  5. Step 5: Solve for x
    x = 488,627,999,020.82/804,985.90
  6. Step 6: Final answer
    x = 607,001.94

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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.