Home / 889,985.20-1,334,977.80-650,873.20

Finding the Fourth Proportional to 889,985.20, 1,334,977.80 and 650,873.20

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Solution

The fourth proportional to 889,985.20, 1,334,977.80 and 650,873.20 is: 976,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,985.20 : 1,334,977.80 = 650,873.20 : x
  2. Step 2: Convert to fraction form
    889,985.20/1,334,977.80 = 650,873.20/x
  3. Step 3: Cross multiply
    889,985.20x = 1,334,977.80 × 650,873.20
  4. Step 4: Simplify right side
    889,985.20x = 868,901,272,614.96
  5. Step 5: Solve for x
    x = 868,901,272,614.96/889,985.20
  6. Step 6: Final answer
    x = 976,309.80

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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.