Home / 698,495.36-964,039.56-412,085.84

Finding the Fourth Proportional to 698,495.36, 964,039.56 and 412,085.84

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Solution

The fourth proportional to 698,495.36, 964,039.56 and 412,085.84 is: 568,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,495.36 : 964,039.56 = 412,085.84 : x
  2. Step 2: Convert to fraction form
    698,495.36/964,039.56 = 412,085.84/x
  3. Step 3: Cross multiply
    698,495.36x = 964,039.56 × 412,085.84
  4. Step 4: Simplify right side
    698,495.36x = 397,267,051,875.83
  5. Step 5: Solve for x
    x = 397,267,051,875.83/698,495.36
  6. Step 6: Final answer
    x = 568,746.87

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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.