Home / 879,994.92-1,320,371.67-475,106.73

Finding the Fourth Proportional to 879,994.92, 1,320,371.67 and 475,106.73

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Solution

The fourth proportional to 879,994.92, 1,320,371.67 and 475,106.73 is: 712,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,994.92 : 1,320,371.67 = 475,106.73 : x
  2. Step 2: Convert to fraction form
    879,994.92/1,320,371.67 = 475,106.73/x
  3. Step 3: Cross multiply
    879,994.92x = 1,320,371.67 × 475,106.73
  4. Step 4: Simplify right side
    879,994.92x = 627,317,466,518.34
  5. Step 5: Solve for x
    x = 627,317,466,518.34/879,994.92
  6. Step 6: Final answer
    x = 712,864.87

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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.