Home / 713,468.06-1,070,208.57-308,584.70

Finding the Fourth Proportional to 713,468.06, 1,070,208.57 and 308,584.70

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Solution

The fourth proportional to 713,468.06, 1,070,208.57 and 308,584.70 is: 462,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,468.06 : 1,070,208.57 = 308,584.70 : x
  2. Step 2: Convert to fraction form
    713,468.06/1,070,208.57 = 308,584.70/x
  3. Step 3: Cross multiply
    713,468.06x = 1,070,208.57 × 308,584.70
  4. Step 4: Simplify right side
    713,468.06x = 330,249,990,510.88
  5. Step 5: Solve for x
    x = 330,249,990,510.88/713,468.06
  6. Step 6: Final answer
    x = 462,879.85

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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.