Home / 583,478.04-804,100.44-422,059.32

Finding the Fourth Proportional to 583,478.04, 804,100.44 and 422,059.32

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Solution

The fourth proportional to 583,478.04, 804,100.44 and 422,059.32 is: 581,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,478.04 : 804,100.44 = 422,059.32 : x
  2. Step 2: Convert to fraction form
    583,478.04/804,100.44 = 422,059.32/x
  3. Step 3: Cross multiply
    583,478.04x = 804,100.44 × 422,059.32
  4. Step 4: Simplify right side
    583,478.04x = 339,378,084,918.10
  5. Step 5: Solve for x
    x = 339,378,084,918.10/583,478.04
  6. Step 6: Final answer
    x = 581,646.71

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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.