Home / 965,636.40-1,447,215.30-539,171.40

Finding the Fourth Proportional to 965,636.40, 1,447,215.30 and 539,171.40

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Solution

The fourth proportional to 965,636.40, 1,447,215.30 and 539,171.40 is: 808,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,636.40 : 1,447,215.30 = 539,171.40 : x
  2. Step 2: Convert to fraction form
    965,636.40/1,447,215.30 = 539,171.40/x
  3. Step 3: Cross multiply
    965,636.40x = 1,447,215.30 × 539,171.40
  4. Step 4: Simplify right side
    965,636.40x = 780,297,099,402.42
  5. Step 5: Solve for x
    x = 780,297,099,402.42/965,636.40
  6. Step 6: Final answer
    x = 808,065.13

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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.