Home / 916,296.18-1,374,641.70-276,546.36

Finding the Fourth Proportional to 916,296.18, 1,374,641.70 and 276,546.36

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Solution

The fourth proportional to 916,296.18, 1,374,641.70 and 276,546.36 is: 414,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,296.18 : 1,374,641.70 = 276,546.36 : x
  2. Step 2: Convert to fraction form
    916,296.18/1,374,641.70 = 276,546.36/x
  3. Step 3: Cross multiply
    916,296.18x = 1,374,641.70 × 276,546.36
  4. Step 4: Simplify right side
    916,296.18x = 380,152,158,439.21
  5. Step 5: Solve for x
    x = 380,152,158,439.21/916,296.18
  6. Step 6: Final answer
    x = 414,879.13

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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.