Home / 729,039.40-1,093,559.10-549,413.80

Finding the Fourth Proportional to 729,039.40, 1,093,559.10 and 549,413.80

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Solution

The fourth proportional to 729,039.40, 1,093,559.10 and 549,413.80 is: 824,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,039.40 : 1,093,559.10 = 549,413.80 : x
  2. Step 2: Convert to fraction form
    729,039.40/1,093,559.10 = 549,413.80/x
  3. Step 3: Cross multiply
    729,039.40x = 1,093,559.10 × 549,413.80
  4. Step 4: Simplify right side
    729,039.40x = 600,816,460,655.58
  5. Step 5: Solve for x
    x = 600,816,460,655.58/729,039.40
  6. Step 6: Final answer
    x = 824,120.70

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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.