Home / 799,711.48-1,199,567.07-320,155.13

Finding the Fourth Proportional to 799,711.48, 1,199,567.07 and 320,155.13

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Solution

The fourth proportional to 799,711.48, 1,199,567.07 and 320,155.13 is: 480,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,711.48 : 1,199,567.07 = 320,155.13 : x
  2. Step 2: Convert to fraction form
    799,711.48/1,199,567.07 = 320,155.13/x
  3. Step 3: Cross multiply
    799,711.48x = 1,199,567.07 × 320,155.13
  4. Step 4: Simplify right side
    799,711.48x = 384,047,554,238.49
  5. Step 5: Solve for x
    x = 384,047,554,238.49/799,711.48
  6. Step 6: Final answer
    x = 480,232.64

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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.