Home / 840,808.80-1,160,319.36-458,844

Finding the Fourth Proportional to 840,808.80, 1,160,319.36 and 458,844

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Solution

The fourth proportional to 840,808.80, 1,160,319.36 and 458,844 is: 633,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,808.80 : 1,160,319.36 = 458,844 : x
  2. Step 2: Convert to fraction form
    840,808.80/1,160,319.36 = 458,844/x
  3. Step 3: Cross multiply
    840,808.80x = 1,160,319.36 × 458,844
  4. Step 4: Simplify right side
    840,808.80x = 532,405,576,419.84
  5. Step 5: Solve for x
    x = 532,405,576,419.84/840,808.80
  6. Step 6: Final answer
    x = 633,206.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.