Home / 955,495.31-1,318,543.71-519,914.37

Finding the Fourth Proportional to 955,495.31, 1,318,543.71 and 519,914.37

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Solution

The fourth proportional to 955,495.31, 1,318,543.71 and 519,914.37 is: 717,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,495.31 : 1,318,543.71 = 519,914.37 : x
  2. Step 2: Convert to fraction form
    955,495.31/1,318,543.71 = 519,914.37/x
  3. Step 3: Cross multiply
    955,495.31x = 1,318,543.71 × 519,914.37
  4. Step 4: Simplify right side
    955,495.31x = 685,529,820,004.04
  5. Step 5: Solve for x
    x = 685,529,820,004.04/955,495.31
  6. Step 6: Final answer
    x = 717,460.16

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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.