Home / 803,559.43-1,205,300.08-298,218.84

Finding the Fourth Proportional to 803,559.43, 1,205,300.08 and 298,218.84

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Solution

The fourth proportional to 803,559.43, 1,205,300.08 and 298,218.84 is: 447,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,559.43 : 1,205,300.08 = 298,218.84 : x
  2. Step 2: Convert to fraction form
    803,559.43/1,205,300.08 = 298,218.84/x
  3. Step 3: Cross multiply
    803,559.43x = 1,205,300.08 × 298,218.84
  4. Step 4: Simplify right side
    803,559.43x = 359,443,191,709.51
  5. Step 5: Solve for x
    x = 359,443,191,709.51/803,559.43
  6. Step 6: Final answer
    x = 447,313.76

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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.