Home / 726,515.55-1,089,868.59-240,036.12

Finding the Fourth Proportional to 726,515.55, 1,089,868.59 and 240,036.12

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Solution

The fourth proportional to 726,515.55, 1,089,868.59 and 240,036.12 is: 360,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,515.55 : 1,089,868.59 = 240,036.12 : x
  2. Step 2: Convert to fraction form
    726,515.55/1,089,868.59 = 240,036.12/x
  3. Step 3: Cross multiply
    726,515.55x = 1,089,868.59 × 240,036.12
  4. Step 4: Simplify right side
    726,515.55x = 261,607,827,653.47
  5. Step 5: Solve for x
    x = 261,607,827,653.47/726,515.55
  6. Step 6: Final answer
    x = 360,085.65

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Double scale
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Similar ratio
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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.