Home / 726,669.75-1,089,686.57-366,619.08

Finding the Fourth Proportional to 726,669.75, 1,089,686.57 and 366,619.08

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Solution

The fourth proportional to 726,669.75, 1,089,686.57 and 366,619.08 is: 549,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,669.75 : 1,089,686.57 = 366,619.08 : x
  2. Step 2: Convert to fraction form
    726,669.75/1,089,686.57 = 366,619.08/x
  3. Step 3: Cross multiply
    726,669.75x = 1,089,686.57 × 366,619.08
  4. Step 4: Simplify right side
    726,669.75x = 399,499,885,948.66
  5. Step 5: Solve for x
    x = 399,499,885,948.66/726,669.75
  6. Step 6: Final answer
    x = 549,768.15

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1.5x scale

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.