Home / 759,689.22-1,139,113.16-310,725.38

Finding the Fourth Proportional to 759,689.22, 1,139,113.16 and 310,725.38

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Solution

The fourth proportional to 759,689.22, 1,139,113.16 and 310,725.38 is: 465,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,689.22 : 1,139,113.16 = 310,725.38 : x
  2. Step 2: Convert to fraction form
    759,689.22/1,139,113.16 = 310,725.38/x
  3. Step 3: Cross multiply
    759,689.22x = 1,139,113.16 × 310,725.38
  4. Step 4: Simplify right side
    759,689.22x = 353,951,369,504.00
  5. Step 5: Solve for x
    x = 353,951,369,504.00/759,689.22
  6. Step 6: Final answer
    x = 465,916.01

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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.