Home / 706,395.28-974,837.69-384,107.35

Finding the Fourth Proportional to 706,395.28, 974,837.69 and 384,107.35

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Solution

The fourth proportional to 706,395.28, 974,837.69 and 384,107.35 is: 530,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,395.28 : 974,837.69 = 384,107.35 : x
  2. Step 2: Convert to fraction form
    706,395.28/974,837.69 = 384,107.35/x
  3. Step 3: Cross multiply
    706,395.28x = 974,837.69 × 384,107.35
  4. Step 4: Simplify right side
    706,395.28x = 374,442,321,786.02
  5. Step 5: Solve for x
    x = 374,442,321,786.02/706,395.28
  6. Step 6: Final answer
    x = 530,074.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.