Home / 808,848.70-1,213,273.05-556,906.30

Finding the Fourth Proportional to 808,848.70, 1,213,273.05 and 556,906.30

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Solution

The fourth proportional to 808,848.70, 1,213,273.05 and 556,906.30 is: 835,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,848.70 : 1,213,273.05 = 556,906.30 : x
  2. Step 2: Convert to fraction form
    808,848.70/1,213,273.05 = 556,906.30/x
  3. Step 3: Cross multiply
    808,848.70x = 1,213,273.05 × 556,906.30
  4. Step 4: Simplify right side
    808,848.70x = 675,679,405,165.22
  5. Step 5: Solve for x
    x = 675,679,405,165.22/808,848.70
  6. Step 6: Final answer
    x = 835,359.45

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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.