Home / 827,703.80-1,142,146.14-465,070.04

Finding the Fourth Proportional to 827,703.80, 1,142,146.14 and 465,070.04

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Solution

The fourth proportional to 827,703.80, 1,142,146.14 and 465,070.04 is: 641,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,703.80 : 1,142,146.14 = 465,070.04 : x
  2. Step 2: Convert to fraction form
    827,703.80/1,142,146.14 = 465,070.04/x
  3. Step 3: Cross multiply
    827,703.80x = 1,142,146.14 × 465,070.04
  4. Step 4: Simplify right side
    827,703.80x = 531,177,951,015.65
  5. Step 5: Solve for x
    x = 531,177,951,015.65/827,703.80
  6. Step 6: Final answer
    x = 641,748.84

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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.