Home / 706,394.28-974,836.31-384,106.35

Finding the Fourth Proportional to 706,394.28, 974,836.31 and 384,106.35

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Solution

The fourth proportional to 706,394.28, 974,836.31 and 384,106.35 is: 530,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,394.28 : 974,836.31 = 384,106.35 : x
  2. Step 2: Convert to fraction form
    706,394.28/974,836.31 = 384,106.35/x
  3. Step 3: Cross multiply
    706,394.28x = 974,836.31 × 384,106.35
  4. Step 4: Simplify right side
    706,394.28x = 374,440,814,961.04
  5. Step 5: Solve for x
    x = 374,440,814,961.04/706,394.28
  6. Step 6: Final answer
    x = 530,073.40

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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.