Home / 744,830.52-1,027,866.08-405,301.20

Finding the Fourth Proportional to 744,830.52, 1,027,866.08 and 405,301.20

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Solution

The fourth proportional to 744,830.52, 1,027,866.08 and 405,301.20 is: 559,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,830.52 : 1,027,866.08 = 405,301.20 : x
  2. Step 2: Convert to fraction form
    744,830.52/1,027,866.08 = 405,301.20/x
  3. Step 3: Cross multiply
    744,830.52x = 1,027,866.08 × 405,301.20
  4. Step 4: Simplify right side
    744,830.52x = 416,595,355,663.30
  5. Step 5: Solve for x
    x = 416,595,355,663.30/744,830.52
  6. Step 6: Final answer
    x = 559,315.64

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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.