Home / 785,606.90-1,178,195.29-216,852.04

Finding the Fourth Proportional to 785,606.90, 1,178,195.29 and 216,852.04

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Solution

The fourth proportional to 785,606.90, 1,178,195.29 and 216,852.04 is: 325,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,606.90 : 1,178,195.29 = 216,852.04 : x
  2. Step 2: Convert to fraction form
    785,606.90/1,178,195.29 = 216,852.04/x
  3. Step 3: Cross multiply
    785,606.90x = 1,178,195.29 × 216,852.04
  4. Step 4: Simplify right side
    785,606.90x = 255,494,048,667.27
  5. Step 5: Solve for x
    x = 255,494,048,667.27/785,606.90
  6. Step 6: Final answer
    x = 325,218.69

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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.