Home / 649,675.80-973,131.30-539,083.80

Finding the Fourth Proportional to 649,675.80, 973,131.30 and 539,083.80

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Solution

The fourth proportional to 649,675.80, 973,131.30 and 539,083.80 is: 807,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,675.80 : 973,131.30 = 539,083.80 : x
  2. Step 2: Convert to fraction form
    649,675.80/973,131.30 = 539,083.80/x
  3. Step 3: Cross multiply
    649,675.80x = 973,131.30 × 539,083.80
  4. Step 4: Simplify right side
    649,675.80x = 524,599,319,102.94
  5. Step 5: Solve for x
    x = 524,599,319,102.94/649,675.80
  6. Step 6: Final answer
    x = 807,478.62

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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.