Home / 692,421.32-1,039,086.08-243,130.60

Finding the Fourth Proportional to 692,421.32, 1,039,086.08 and 243,130.60

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Solution

The fourth proportional to 692,421.32, 1,039,086.08 and 243,130.60 is: 364,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,421.32 : 1,039,086.08 = 243,130.60 : x
  2. Step 2: Convert to fraction form
    692,421.32/1,039,086.08 = 243,130.60/x
  3. Step 3: Cross multiply
    692,421.32x = 1,039,086.08 × 243,130.60
  4. Step 4: Simplify right side
    692,421.32x = 252,633,622,082.05
  5. Step 5: Solve for x
    x = 252,633,622,082.05/692,421.32
  6. Step 6: Final answer
    x = 364,855.35

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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.