Home / 885,143.02-1,322,675.65-664,615.23

Finding the Fourth Proportional to 885,143.02, 1,322,675.65 and 664,615.23

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Solution

The fourth proportional to 885,143.02, 1,322,675.65 and 664,615.23 is: 993,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,143.02 : 1,322,675.65 = 664,615.23 : x
  2. Step 2: Convert to fraction form
    885,143.02/1,322,675.65 = 664,615.23/x
  3. Step 3: Cross multiply
    885,143.02x = 1,322,675.65 × 664,615.23
  4. Step 4: Simplify right side
    885,143.02x = 879,070,381,340.15
  5. Step 5: Solve for x
    x = 879,070,381,340.15/885,143.02
  6. Step 6: Final answer
    x = 993,139.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.