Home / 753,494.64-1,130,300.30-213,741.82

Finding the Fourth Proportional to 753,494.64, 1,130,300.30 and 213,741.82

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Solution

The fourth proportional to 753,494.64, 1,130,300.30 and 213,741.82 is: 320,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,494.64 : 1,130,300.30 = 213,741.82 : x
  2. Step 2: Convert to fraction form
    753,494.64/1,130,300.30 = 213,741.82/x
  3. Step 3: Cross multiply
    753,494.64x = 1,130,300.30 × 213,741.82
  4. Step 4: Simplify right side
    753,494.64x = 241,592,443,268.55
  5. Step 5: Solve for x
    x = 241,592,443,268.55/753,494.64
  6. Step 6: Final answer
    x = 320,629.28

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1.5x scale

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.