Home / 750,808.40-1,126,212.60-609,090.80

Finding the Fourth Proportional to 750,808.40, 1,126,212.60 and 609,090.80

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Solution

The fourth proportional to 750,808.40, 1,126,212.60 and 609,090.80 is: 913,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,808.40 : 1,126,212.60 = 609,090.80 : x
  2. Step 2: Convert to fraction form
    750,808.40/1,126,212.60 = 609,090.80/x
  3. Step 3: Cross multiply
    750,808.40x = 1,126,212.60 × 609,090.80
  4. Step 4: Simplify right side
    750,808.40x = 685,965,733,504.08
  5. Step 5: Solve for x
    x = 685,965,733,504.08/750,808.40
  6. Step 6: Final answer
    x = 913,636.20

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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.