Home / 676,606.80-1,014,909.80-631,766.46

Finding the Fourth Proportional to 676,606.80, 1,014,909.80 and 631,766.46

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Solution

The fourth proportional to 676,606.80, 1,014,909.80 and 631,766.46 is: 947,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,606.80 : 1,014,909.80 = 631,766.46 : x
  2. Step 2: Convert to fraction form
    676,606.80/1,014,909.80 = 631,766.46/x
  3. Step 3: Cross multiply
    676,606.80x = 1,014,909.80 × 631,766.46
  4. Step 4: Simplify right side
    676,606.80x = 641,185,972,911.64
  5. Step 5: Solve for x
    x = 641,185,972,911.64/676,606.80
  6. Step 6: Final answer
    x = 947,649.33

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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.