Home / 816,059.70-1,224,089.55-283,403.70

Finding the Fourth Proportional to 816,059.70, 1,224,089.55 and 283,403.70

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Solution

The fourth proportional to 816,059.70, 1,224,089.55 and 283,403.70 is: 425,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,059.70 : 1,224,089.55 = 283,403.70 : x
  2. Step 2: Convert to fraction form
    816,059.70/1,224,089.55 = 283,403.70/x
  3. Step 3: Cross multiply
    816,059.70x = 1,224,089.55 × 283,403.70
  4. Step 4: Simplify right side
    816,059.70x = 346,911,507,601.34
  5. Step 5: Solve for x
    x = 346,911,507,601.34/816,059.70
  6. Step 6: Final answer
    x = 425,105.55

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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.