Home / 965,639.40-1,447,219.80-539,174.40

Finding the Fourth Proportional to 965,639.40, 1,447,219.80 and 539,174.40

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Solution

The fourth proportional to 965,639.40, 1,447,219.80 and 539,174.40 is: 808,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,639.40 : 1,447,219.80 = 539,174.40 : x
  2. Step 2: Convert to fraction form
    965,639.40/1,447,219.80 = 539,174.40/x
  3. Step 3: Cross multiply
    965,639.40x = 1,447,219.80 × 539,174.40
  4. Step 4: Simplify right side
    965,639.40x = 780,303,867,333.12
  5. Step 5: Solve for x
    x = 780,303,867,333.12/965,639.40
  6. Step 6: Final answer
    x = 808,069.62

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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.