Home / 957,885.64-1,436,735.16-389,300.83

Finding the Fourth Proportional to 957,885.64, 1,436,735.16 and 389,300.83

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Solution

The fourth proportional to 957,885.64, 1,436,735.16 and 389,300.83 is: 583,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,885.64 : 1,436,735.16 = 389,300.83 : x
  2. Step 2: Convert to fraction form
    957,885.64/1,436,735.16 = 389,300.83/x
  3. Step 3: Cross multiply
    957,885.64x = 1,436,735.16 × 389,300.83
  4. Step 4: Simplify right side
    957,885.64x = 559,322,186,686.35
  5. Step 5: Solve for x
    x = 559,322,186,686.35/957,885.64
  6. Step 6: Final answer
    x = 583,913.32

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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.