Home / 798,155.40-1,101,477.79-435,602.54

Finding the Fourth Proportional to 798,155.40, 1,101,477.79 and 435,602.54

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Solution

The fourth proportional to 798,155.40, 1,101,477.79 and 435,602.54 is: 601,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,155.40 : 1,101,477.79 = 435,602.54 : x
  2. Step 2: Convert to fraction form
    798,155.40/1,101,477.79 = 435,602.54/x
  3. Step 3: Cross multiply
    798,155.40x = 1,101,477.79 × 435,602.54
  4. Step 4: Simplify right side
    798,155.40x = 479,806,526,375.78
  5. Step 5: Solve for x
    x = 479,806,526,375.78/798,155.40
  6. Step 6: Final answer
    x = 601,144.24

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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.