Home / 804,985.02-1,110,905.96-442,421.73

Finding the Fourth Proportional to 804,985.02, 1,110,905.96 and 442,421.73

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Solution

The fourth proportional to 804,985.02, 1,110,905.96 and 442,421.73 is: 610,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.02 : 1,110,905.96 = 442,421.73 : x
  2. Step 2: Convert to fraction form
    804,985.02/1,110,905.96 = 442,421.73/x
  3. Step 3: Cross multiply
    804,985.02x = 1,110,905.96 × 442,421.73
  4. Step 4: Simplify right side
    804,985.02x = 491,488,934,478.40
  5. Step 5: Solve for x
    x = 491,488,934,478.40/804,985.02
  6. Step 6: Final answer
    x = 610,556.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.