Home / 843,428.30-1,265,725.65-606,940.70

Finding the Fourth Proportional to 843,428.30, 1,265,725.65 and 606,940.70

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Solution

The fourth proportional to 843,428.30, 1,265,725.65 and 606,940.70 is: 910,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,428.30 : 1,265,725.65 = 606,940.70 : x
  2. Step 2: Convert to fraction form
    843,428.30/1,265,725.65 = 606,940.70/x
  3. Step 3: Cross multiply
    843,428.30x = 1,265,725.65 × 606,940.70
  4. Step 4: Simplify right side
    843,428.30x = 768,220,412,018.96
  5. Step 5: Solve for x
    x = 768,220,412,018.96/843,428.30
  6. Step 6: Final answer
    x = 910,830.73

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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.