Home / 823,316.76-1,135,649.92-660,364.27

Finding the Fourth Proportional to 823,316.76, 1,135,649.92 and 660,364.27

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Solution

The fourth proportional to 823,316.76, 1,135,649.92 and 660,364.27 is: 910,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,316.76 : 1,135,649.92 = 660,364.27 : x
  2. Step 2: Convert to fraction form
    823,316.76/1,135,649.92 = 660,364.27/x
  3. Step 3: Cross multiply
    823,316.76x = 1,135,649.92 × 660,364.27
  4. Step 4: Simplify right side
    823,316.76x = 749,942,621,416.29
  5. Step 5: Solve for x
    x = 749,942,621,416.29/823,316.76
  6. Step 6: Final answer
    x = 910,879.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.