Home / 988,594.57-1,481,873.68-389,312.83

Finding the Fourth Proportional to 988,594.57, 1,481,873.68 and 389,312.83

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Solution

The fourth proportional to 988,594.57, 1,481,873.68 and 389,312.83 is: 583,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,594.57 : 1,481,873.68 = 389,312.83 : x
  2. Step 2: Convert to fraction form
    988,594.57/1,481,873.68 = 389,312.83/x
  3. Step 3: Cross multiply
    988,594.57x = 1,481,873.68 × 389,312.83
  4. Step 4: Simplify right side
    988,594.57x = 576,912,436,063.32
  5. Step 5: Solve for x
    x = 576,912,436,063.32/988,594.57
  6. Step 6: Final answer
    x = 583,568.28

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1.5x scale

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.