Home / 899,649.55-1,349,544.02-300,612.79

Finding the Fourth Proportional to 899,649.55, 1,349,544.02 and 300,612.79

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Solution

The fourth proportional to 899,649.55, 1,349,544.02 and 300,612.79 is: 450,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,649.55 : 1,349,544.02 = 300,612.79 : x
  2. Step 2: Convert to fraction form
    899,649.55/1,349,544.02 = 300,612.79/x
  3. Step 3: Cross multiply
    899,649.55x = 1,349,544.02 × 300,612.79
  4. Step 4: Simplify right side
    899,649.55x = 405,690,191,576.95
  5. Step 5: Solve for x
    x = 405,690,191,576.95/899,649.55
  6. Step 6: Final answer
    x = 450,942.47

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Double scale
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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.