Home / 789,036.40-1,184,137.80-522,708.40

Finding the Fourth Proportional to 789,036.40, 1,184,137.80 and 522,708.40

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Solution

The fourth proportional to 789,036.40, 1,184,137.80 and 522,708.40 is: 784,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,036.40 : 1,184,137.80 = 522,708.40 : x
  2. Step 2: Convert to fraction form
    789,036.40/1,184,137.80 = 522,708.40/x
  3. Step 3: Cross multiply
    789,036.40x = 1,184,137.80 × 522,708.40
  4. Step 4: Simplify right side
    789,036.40x = 618,958,774,817.52
  5. Step 5: Solve for x
    x = 618,958,774,817.52/789,036.40
  6. Step 6: Final answer
    x = 784,448.95

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1.5x scale

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.