Home / 744,834-1,027,862.28-405,296.40

Finding the Fourth Proportional to 744,834, 1,027,862.28 and 405,296.40

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Solution

The fourth proportional to 744,834, 1,027,862.28 and 405,296.40 is: 559,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,834 : 1,027,862.28 = 405,296.40 : x
  2. Step 2: Convert to fraction form
    744,834/1,027,862.28 = 405,296.40/x
  3. Step 3: Cross multiply
    744,834x = 1,027,862.28 × 405,296.40
  4. Step 4: Simplify right side
    744,834x = 416,588,881,779.79
  5. Step 5: Solve for x
    x = 416,588,881,779.79/744,834
  6. Step 6: Final answer
    x = 559,304.33

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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.