Home / 759,698.80-1,139,127.50-310,734.93

Finding the Fourth Proportional to 759,698.80, 1,139,127.50 and 310,734.93

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Solution

The fourth proportional to 759,698.80, 1,139,127.50 and 310,734.93 is: 465,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,698.80 : 1,139,127.50 = 310,734.93 : x
  2. Step 2: Convert to fraction form
    759,698.80/1,139,127.50 = 310,734.93/x
  3. Step 3: Cross multiply
    759,698.80x = 1,139,127.50 × 310,734.93
  4. Step 4: Simplify right side
    759,698.80x = 353,966,709,022.14
  5. Step 5: Solve for x
    x = 353,966,709,022.14/759,698.80
  6. Step 6: Final answer
    x = 465,930.33

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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.