Home / 816,114.30-1,224,286.65-255,090.30

Finding the Fourth Proportional to 816,114.30, 1,224,286.65 and 255,090.30

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Solution

The fourth proportional to 816,114.30, 1,224,286.65 and 255,090.30 is: 382,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,114.30 : 1,224,286.65 = 255,090.30 : x
  2. Step 2: Convert to fraction form
    816,114.30/1,224,286.65 = 255,090.30/x
  3. Step 3: Cross multiply
    816,114.30x = 1,224,286.65 × 255,090.30
  4. Step 4: Simplify right side
    816,114.30x = 312,303,648,834.50
  5. Step 5: Solve for x
    x = 312,303,648,834.50/816,114.30
  6. Step 6: Final answer
    x = 382,671.46

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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.