Home / 803,258.40-1,204,959.96-353,872.56

Finding the Fourth Proportional to 803,258.40, 1,204,959.96 and 353,872.56

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Solution

The fourth proportional to 803,258.40, 1,204,959.96 and 353,872.56 is: 530,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,258.40 : 1,204,959.96 = 353,872.56 : x
  2. Step 2: Convert to fraction form
    803,258.40/1,204,959.96 = 353,872.56/x
  3. Step 3: Cross multiply
    803,258.40x = 1,204,959.96 × 353,872.56
  4. Step 4: Simplify right side
    803,258.40x = 426,402,265,742.70
  5. Step 5: Solve for x
    x = 426,402,265,742.70/803,258.40
  6. Step 6: Final answer
    x = 530,840.72

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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.