Home / 839,720.52-1,259,779.23-334,310.49

Finding the Fourth Proportional to 839,720.52, 1,259,779.23 and 334,310.49

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Solution

The fourth proportional to 839,720.52, 1,259,779.23 and 334,310.49 is: 501,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,720.52 : 1,259,779.23 = 334,310.49 : x
  2. Step 2: Convert to fraction form
    839,720.52/1,259,779.23 = 334,310.49/x
  3. Step 3: Cross multiply
    839,720.52x = 1,259,779.23 × 334,310.49
  4. Step 4: Simplify right side
    839,720.52x = 421,157,411,673.12
  5. Step 5: Solve for x
    x = 421,157,411,673.12/839,720.52
  6. Step 6: Final answer
    x = 501,544.74

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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.