Home / 483,020.12-666,554.80-289,537.13

Finding the Fourth Proportional to 483,020.12, 666,554.80 and 289,537.13

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Solution

The fourth proportional to 483,020.12, 666,554.80 and 289,537.13 is: 399,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,020.12 : 666,554.80 = 289,537.13 : x
  2. Step 2: Convert to fraction form
    483,020.12/666,554.80 = 289,537.13/x
  3. Step 3: Cross multiply
    483,020.12x = 666,554.80 × 289,537.13
  4. Step 4: Simplify right side
    483,020.12x = 192,992,363,779.72
  5. Step 5: Solve for x
    x = 192,992,363,779.72/483,020.12
  6. Step 6: Final answer
    x = 399,553.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.