Home / 947,885.68-1,308,084.84-518,170.96

Finding the Fourth Proportional to 947,885.68, 1,308,084.84 and 518,170.96

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Solution

The fourth proportional to 947,885.68, 1,308,084.84 and 518,170.96 is: 715,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,885.68 : 1,308,084.84 = 518,170.96 : x
  2. Step 2: Convert to fraction form
    947,885.68/1,308,084.84 = 518,170.96/x
  3. Step 3: Cross multiply
    947,885.68x = 1,308,084.84 × 518,170.96
  4. Step 4: Simplify right side
    947,885.68x = 677,811,577,304.25
  5. Step 5: Solve for x
    x = 677,811,577,304.25/947,885.68
  6. Step 6: Final answer
    x = 715,077.35

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1.5x scale

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.