Home / 816,491.20-1,224,736.80-373,259.20

Finding the Fourth Proportional to 816,491.20, 1,224,736.80 and 373,259.20

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Solution

The fourth proportional to 816,491.20, 1,224,736.80 and 373,259.20 is: 559,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,491.20 : 1,224,736.80 = 373,259.20 : x
  2. Step 2: Convert to fraction form
    816,491.20/1,224,736.80 = 373,259.20/x
  3. Step 3: Cross multiply
    816,491.20x = 1,224,736.80 × 373,259.20
  4. Step 4: Simplify right side
    816,491.20x = 457,144,278,178.56
  5. Step 5: Solve for x
    x = 457,144,278,178.56/816,491.20
  6. Step 6: Final answer
    x = 559,888.80

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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.