Home / 746,642.49-1,119,813.08-214,020.51

Finding the Fourth Proportional to 746,642.49, 1,119,813.08 and 214,020.51

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Solution

The fourth proportional to 746,642.49, 1,119,813.08 and 214,020.51 is: 320,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,642.49 : 1,119,813.08 = 214,020.51 : x
  2. Step 2: Convert to fraction form
    746,642.49/1,119,813.08 = 214,020.51/x
  3. Step 3: Cross multiply
    746,642.49x = 1,119,813.08 × 214,020.51
  4. Step 4: Simplify right side
    746,642.49x = 239,662,965,416.17
  5. Step 5: Solve for x
    x = 239,662,965,416.17/746,642.49
  6. Step 6: Final answer
    x = 320,987.58

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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.