Home / 828,878.29-1,243,313.33-716,215.66

Finding the Fourth Proportional to 828,878.29, 1,243,313.33 and 716,215.66

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Solution

The fourth proportional to 828,878.29, 1,243,313.33 and 716,215.66 is: 1,074,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,878.29 : 1,243,313.33 = 716,215.66 : x
  2. Step 2: Convert to fraction form
    828,878.29/1,243,313.33 = 716,215.66/x
  3. Step 3: Cross multiply
    828,878.29x = 1,243,313.33 × 716,215.66
  4. Step 4: Simplify right side
    828,878.29x = 890,480,477,232.75
  5. Step 5: Solve for x
    x = 890,480,477,232.75/828,878.29
  6. Step 6: Final answer
    x = 1,074,319.94

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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.