Home / 785,438.67-1,178,134.44-216,854.49

Finding the Fourth Proportional to 785,438.67, 1,178,134.44 and 216,854.49

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Solution

The fourth proportional to 785,438.67, 1,178,134.44 and 216,854.49 is: 325,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,438.67 : 1,178,134.44 = 216,854.49 : x
  2. Step 2: Convert to fraction form
    785,438.67/1,178,134.44 = 216,854.49/x
  3. Step 3: Cross multiply
    785,438.67x = 1,178,134.44 × 216,854.49
  4. Step 4: Simplify right side
    785,438.67x = 255,483,743,137.64
  5. Step 5: Solve for x
    x = 255,483,743,137.64/785,438.67
  6. Step 6: Final answer
    x = 325,275.23

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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.