Home / 984,868.20-1,477,302.30-512,476.20

Finding the Fourth Proportional to 984,868.20, 1,477,302.30 and 512,476.20

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Solution

The fourth proportional to 984,868.20, 1,477,302.30 and 512,476.20 is: 768,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,868.20 : 1,477,302.30 = 512,476.20 : x
  2. Step 2: Convert to fraction form
    984,868.20/1,477,302.30 = 512,476.20/x
  3. Step 3: Cross multiply
    984,868.20x = 1,477,302.30 × 512,476.20
  4. Step 4: Simplify right side
    984,868.20x = 757,082,268,955.26
  5. Step 5: Solve for x
    x = 757,082,268,955.26/984,868.20
  6. Step 6: Final answer
    x = 768,714.30

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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.