Home / 785,860.30-1,178,798.68-629,085.34

Finding the Fourth Proportional to 785,860.30, 1,178,798.68 and 629,085.34

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Solution

The fourth proportional to 785,860.30, 1,178,798.68 and 629,085.34 is: 943,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,860.30 : 1,178,798.68 = 629,085.34 : x
  2. Step 2: Convert to fraction form
    785,860.30/1,178,798.68 = 629,085.34/x
  3. Step 3: Cross multiply
    785,860.30x = 1,178,798.68 × 629,085.34
  4. Step 4: Simplify right side
    785,860.30x = 741,564,968,399.35
  5. Step 5: Solve for x
    x = 741,564,968,399.35/785,860.30
  6. Step 6: Final answer
    x = 943,634.60

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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.