Home / 805,214.90-1,207,968.15-404,848.10

Finding the Fourth Proportional to 805,214.90, 1,207,968.15 and 404,848.10

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Solution

The fourth proportional to 805,214.90, 1,207,968.15 and 404,848.10 is: 607,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,214.90 : 1,207,968.15 = 404,848.10 : x
  2. Step 2: Convert to fraction form
    805,214.90/1,207,968.15 = 404,848.10/x
  3. Step 3: Cross multiply
    805,214.90x = 1,207,968.15 × 404,848.10
  4. Step 4: Simplify right side
    805,214.90x = 489,043,610,388.02
  5. Step 5: Solve for x
    x = 489,043,610,388.02/805,214.90
  6. Step 6: Final answer
    x = 607,345.46

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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.