Home / 829,897.80-1,244,555.10-380,833.80

Finding the Fourth Proportional to 829,897.80, 1,244,555.10 and 380,833.80

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Solution

The fourth proportional to 829,897.80, 1,244,555.10 and 380,833.80 is: 571,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,897.80 : 1,244,555.10 = 380,833.80 : x
  2. Step 2: Convert to fraction form
    829,897.80/1,244,555.10 = 380,833.80/x
  3. Step 3: Cross multiply
    829,897.80x = 1,244,555.10 × 380,833.80
  4. Step 4: Simplify right side
    829,897.80x = 473,968,648,042.38
  5. Step 5: Solve for x
    x = 473,968,648,042.38/829,897.80
  6. Step 6: Final answer
    x = 571,116.89

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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.