Home / 755,303.96-1,042,342.94-411,162.80

Finding the Fourth Proportional to 755,303.96, 1,042,342.94 and 411,162.80

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Solution

The fourth proportional to 755,303.96, 1,042,342.94 and 411,162.80 is: 567,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,303.96 : 1,042,342.94 = 411,162.80 : x
  2. Step 2: Convert to fraction form
    755,303.96/1,042,342.94 = 411,162.80/x
  3. Step 3: Cross multiply
    755,303.96x = 1,042,342.94 × 411,162.80
  4. Step 4: Simplify right side
    755,303.96x = 428,572,641,770.63
  5. Step 5: Solve for x
    x = 428,572,641,770.63/755,303.96
  6. Step 6: Final answer
    x = 567,417.44

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Double scale
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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.