Home / 786,210.76-1,179,309.66-225,245.80

Finding the Fourth Proportional to 786,210.76, 1,179,309.66 and 225,245.80

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Solution

The fourth proportional to 786,210.76, 1,179,309.66 and 225,245.80 is: 337,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,210.76 : 1,179,309.66 = 225,245.80 : x
  2. Step 2: Convert to fraction form
    786,210.76/1,179,309.66 = 225,245.80/x
  3. Step 3: Cross multiply
    786,210.76x = 1,179,309.66 × 225,245.80
  4. Step 4: Simplify right side
    786,210.76x = 265,634,547,814.43
  5. Step 5: Solve for x
    x = 265,634,547,814.43/786,210.76
  6. Step 6: Final answer
    x = 337,866.84

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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.