Home / 901,650.42-1,350,328.86-521,770.32

Finding the Fourth Proportional to 901,650.42, 1,350,328.86 and 521,770.32

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Solution

The fourth proportional to 901,650.42, 1,350,328.86 and 521,770.32 is: 781,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,650.42 : 1,350,328.86 = 521,770.32 : x
  2. Step 2: Convert to fraction form
    901,650.42/1,350,328.86 = 521,770.32/x
  3. Step 3: Cross multiply
    901,650.42x = 1,350,328.86 × 521,770.32
  4. Step 4: Simplify right side
    901,650.42x = 704,561,521,387.44
  5. Step 5: Solve for x
    x = 704,561,521,387.44/901,650.42
  6. Step 6: Final answer
    x = 781,413.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.