Home / 845,813.39-1,266,475.37-661,608.45

Finding the Fourth Proportional to 845,813.39, 1,266,475.37 and 661,608.45

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Solution

The fourth proportional to 845,813.39, 1,266,475.37 and 661,608.45 is: 990,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813.39 : 1,266,475.37 = 661,608.45 : x
  2. Step 2: Convert to fraction form
    845,813.39/1,266,475.37 = 661,608.45/x
  3. Step 3: Cross multiply
    845,813.39x = 1,266,475.37 × 661,608.45
  4. Step 4: Simplify right side
    845,813.39x = 837,910,803,200.83
  5. Step 5: Solve for x
    x = 837,910,803,200.83/845,813.39
  6. Step 6: Final answer
    x = 990,656.83

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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.