Home / 737,799.81-1,018,167.21-415,515.39

Finding the Fourth Proportional to 737,799.81, 1,018,167.21 and 415,515.39

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Solution

The fourth proportional to 737,799.81, 1,018,167.21 and 415,515.39 is: 573,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,799.81 : 1,018,167.21 = 415,515.39 : x
  2. Step 2: Convert to fraction form
    737,799.81/1,018,167.21 = 415,515.39/x
  3. Step 3: Cross multiply
    737,799.81x = 1,018,167.21 × 415,515.39
  4. Step 4: Simplify right side
    737,799.81x = 423,064,145,348.36
  5. Step 5: Solve for x
    x = 423,064,145,348.36/737,799.81
  6. Step 6: Final answer
    x = 573,413.19

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1.5x scale

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.