Home / 698,590.82-1,047,009.60-298,761.46

Finding the Fourth Proportional to 698,590.82, 1,047,009.60 and 298,761.46

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Solution

The fourth proportional to 698,590.82, 1,047,009.60 and 298,761.46 is: 447,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,590.82 : 1,047,009.60 = 298,761.46 : x
  2. Step 2: Convert to fraction form
    698,590.82/1,047,009.60 = 298,761.46/x
  3. Step 3: Cross multiply
    698,590.82x = 1,047,009.60 × 298,761.46
  4. Step 4: Simplify right side
    698,590.82x = 312,806,116,730.02
  5. Step 5: Solve for x
    x = 312,806,116,730.02/698,590.82
  6. Step 6: Final answer
    x = 447,767.29

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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.