Home / 803,868.42-1,204,885.29-323,788.77

Finding the Fourth Proportional to 803,868.42, 1,204,885.29 and 323,788.77

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Solution

The fourth proportional to 803,868.42, 1,204,885.29 and 323,788.77 is: 485,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.42 : 1,204,885.29 = 323,788.77 : x
  2. Step 2: Convert to fraction form
    803,868.42/1,204,885.29 = 323,788.77/x
  3. Step 3: Cross multiply
    803,868.42x = 1,204,885.29 × 323,788.77
  4. Step 4: Simplify right side
    803,868.42x = 390,128,326,040.19
  5. Step 5: Solve for x
    x = 390,128,326,040.19/803,868.42
  6. Step 6: Final answer
    x = 485,313.66

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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.