Home / 690,386.06-952,504.44-403,703.16

Finding the Fourth Proportional to 690,386.06, 952,504.44 and 403,703.16

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Solution

The fourth proportional to 690,386.06, 952,504.44 and 403,703.16 is: 556,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,386.06 : 952,504.44 = 403,703.16 : x
  2. Step 2: Convert to fraction form
    690,386.06/952,504.44 = 403,703.16/x
  3. Step 3: Cross multiply
    690,386.06x = 952,504.44 × 403,703.16
  4. Step 4: Simplify right side
    690,386.06x = 384,529,052,342.03
  5. Step 5: Solve for x
    x = 384,529,052,342.03/690,386.06
  6. Step 6: Final answer
    x = 556,976.85

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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.