Home / 755,804.56-1,042,989.28-411,632.96

Finding the Fourth Proportional to 755,804.56, 1,042,989.28 and 411,632.96

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Solution

The fourth proportional to 755,804.56, 1,042,989.28 and 411,632.96 is: 568,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,804.56 : 1,042,989.28 = 411,632.96 : x
  2. Step 2: Convert to fraction form
    755,804.56/1,042,989.28 = 411,632.96/x
  3. Step 3: Cross multiply
    755,804.56x = 1,042,989.28 × 411,632.96
  4. Step 4: Simplify right side
    755,804.56x = 429,328,764,574.67
  5. Step 5: Solve for x
    x = 429,328,764,574.67/755,804.56
  6. Step 6: Final answer
    x = 568,042.04

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Double scale
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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.