Home / 755,350.40-1,042,413.28-415,850.24

Finding the Fourth Proportional to 755,350.40, 1,042,413.28 and 415,850.24

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Solution

The fourth proportional to 755,350.40, 1,042,413.28 and 415,850.24 is: 573,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,350.40 : 1,042,413.28 = 415,850.24 : x
  2. Step 2: Convert to fraction form
    755,350.40/1,042,413.28 = 415,850.24/x
  3. Step 3: Cross multiply
    755,350.40x = 1,042,413.28 × 415,850.24
  4. Step 4: Simplify right side
    755,350.40x = 433,487,812,667.19
  5. Step 5: Solve for x
    x = 433,487,812,667.19/755,350.40
  6. Step 6: Final answer
    x = 573,889.70

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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.