Home / 698,230.10-1,047,863.55-277,807.70

Finding the Fourth Proportional to 698,230.10, 1,047,863.55 and 277,807.70

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Solution

The fourth proportional to 698,230.10, 1,047,863.55 and 277,807.70 is: 416,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,230.10 : 1,047,863.55 = 277,807.70 : x
  2. Step 2: Convert to fraction form
    698,230.10/1,047,863.55 = 277,807.70/x
  3. Step 3: Cross multiply
    698,230.10x = 1,047,863.55 × 277,807.70
  4. Step 4: Simplify right side
    698,230.10x = 291,104,562,739.34
  5. Step 5: Solve for x
    x = 291,104,562,739.34/698,230.10
  6. Step 6: Final answer
    x = 416,917.81

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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.