Home / 881,328.60-1,322,090.10-282,187.80

Finding the Fourth Proportional to 881,328.60, 1,322,090.10 and 282,187.80

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Solution

The fourth proportional to 881,328.60, 1,322,090.10 and 282,187.80 is: 423,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,328.60 : 1,322,090.10 = 282,187.80 : x
  2. Step 2: Convert to fraction form
    881,328.60/1,322,090.10 = 282,187.80/x
  3. Step 3: Cross multiply
    881,328.60x = 1,322,090.10 × 282,187.80
  4. Step 4: Simplify right side
    881,328.60x = 373,077,696,720.78
  5. Step 5: Solve for x
    x = 373,077,696,720.78/881,328.60
  6. Step 6: Final answer
    x = 423,312.82

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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.