Home / 746,703.80-1,030,449.33-407,172.05

Finding the Fourth Proportional to 746,703.80, 1,030,449.33 and 407,172.05

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Solution

The fourth proportional to 746,703.80, 1,030,449.33 and 407,172.05 is: 561,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,703.80 : 1,030,449.33 = 407,172.05 : x
  2. Step 2: Convert to fraction form
    746,703.80/1,030,449.33 = 407,172.05/x
  3. Step 3: Cross multiply
    746,703.80x = 1,030,449.33 × 407,172.05
  4. Step 4: Simplify right side
    746,703.80x = 419,570,164,829.17
  5. Step 5: Solve for x
    x = 419,570,164,829.17/746,703.80
  6. Step 6: Final answer
    x = 561,896.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.