Home / 698,240.64-1,047,736.32-277,520

Finding the Fourth Proportional to 698,240.64, 1,047,736.32 and 277,520

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Solution

The fourth proportional to 698,240.64, 1,047,736.32 and 277,520 is: 416,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,240.64 : 1,047,736.32 = 277,520 : x
  2. Step 2: Convert to fraction form
    698,240.64/1,047,736.32 = 277,520/x
  3. Step 3: Cross multiply
    698,240.64x = 1,047,736.32 × 277,520
  4. Step 4: Simplify right side
    698,240.64x = 290,767,783,526.40
  5. Step 5: Solve for x
    x = 290,767,783,526.40/698,240.64
  6. Step 6: Final answer
    x = 416,429.19

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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.