Home / 485,537.13-670,041.36-270,672.57

Finding the Fourth Proportional to 485,537.13, 670,041.36 and 270,672.57

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Solution

The fourth proportional to 485,537.13, 670,041.36 and 270,672.57 is: 373,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,537.13 : 670,041.36 = 270,672.57 : x
  2. Step 2: Convert to fraction form
    485,537.13/670,041.36 = 270,672.57/x
  3. Step 3: Cross multiply
    485,537.13x = 670,041.36 × 270,672.57
  4. Step 4: Simplify right side
    485,537.13x = 181,361,816,917.50
  5. Step 5: Solve for x
    x = 181,361,816,917.50/485,537.13
  6. Step 6: Final answer
    x = 373,528.21

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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.