Home / 939,521.00-1,409,280.81-539,906.90

Finding the Fourth Proportional to 939,521.00, 1,409,280.81 and 539,906.90

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Solution

The fourth proportional to 939,521.00, 1,409,280.81 and 539,906.90 is: 809,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,521.00 : 1,409,280.81 = 539,906.90 : x
  2. Step 2: Convert to fraction form
    939,521.00/1,409,280.81 = 539,906.90/x
  3. Step 3: Cross multiply
    939,521.00x = 1,409,280.81 × 539,906.90
  4. Step 4: Simplify right side
    939,521.00x = 760,880,426,310.19
  5. Step 5: Solve for x
    x = 760,880,426,310.19/939,521.00
  6. Step 6: Final answer
    x = 809,859.94

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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.