Home / 759,768.48-1,139,912.82-286,589.16

Finding the Fourth Proportional to 759,768.48, 1,139,912.82 and 286,589.16

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Solution

The fourth proportional to 759,768.48, 1,139,912.82 and 286,589.16 is: 429,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,768.48 : 1,139,912.82 = 286,589.16 : x
  2. Step 2: Convert to fraction form
    759,768.48/1,139,912.82 = 286,589.16/x
  3. Step 3: Cross multiply
    759,768.48x = 1,139,912.82 × 286,589.16
  4. Step 4: Simplify right side
    759,768.48x = 326,686,657,557.03
  5. Step 5: Solve for x
    x = 326,686,657,557.03/759,768.48
  6. Step 6: Final answer
    x = 429,981.85

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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.