Home / 759,684.86-1,139,106.62-310,721.00

Finding the Fourth Proportional to 759,684.86, 1,139,106.62 and 310,721.00

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Solution

The fourth proportional to 759,684.86, 1,139,106.62 and 310,721.00 is: 465,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,684.86 : 1,139,106.62 = 310,721.00 : x
  2. Step 2: Convert to fraction form
    759,684.86/1,139,106.62 = 310,721.00/x
  3. Step 3: Cross multiply
    759,684.86x = 1,139,106.62 × 310,721.00
  4. Step 4: Simplify right side
    759,684.86x = 353,944,351,891.60
  5. Step 5: Solve for x
    x = 353,944,351,891.60/759,684.86
  6. Step 6: Final answer
    x = 465,909.45

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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.