Home / 958,208.20-1,437,312.30-485,816.20

Finding the Fourth Proportional to 958,208.20, 1,437,312.30 and 485,816.20

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Solution

The fourth proportional to 958,208.20, 1,437,312.30 and 485,816.20 is: 728,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,208.20 : 1,437,312.30 = 485,816.20 : x
  2. Step 2: Convert to fraction form
    958,208.20/1,437,312.30 = 485,816.20/x
  3. Step 3: Cross multiply
    958,208.20x = 1,437,312.30 × 485,816.20
  4. Step 4: Simplify right side
    958,208.20x = 698,269,599,799.26
  5. Step 5: Solve for x
    x = 698,269,599,799.26/958,208.20
  6. Step 6: Final answer
    x = 728,724.30

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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.