Home / 755,803.08-1,042,987.22-411,631.46

Finding the Fourth Proportional to 755,803.08, 1,042,987.22 and 411,631.46

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Solution

The fourth proportional to 755,803.08, 1,042,987.22 and 411,631.46 is: 568,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,803.08 : 1,042,987.22 = 411,631.46 : x
  2. Step 2: Convert to fraction form
    755,803.08/1,042,987.22 = 411,631.46/x
  3. Step 3: Cross multiply
    755,803.08x = 1,042,987.22 × 411,631.46
  4. Step 4: Simplify right side
    755,803.08x = 429,326,352,129.94
  5. Step 5: Solve for x
    x = 429,326,352,129.94/755,803.08
  6. Step 6: Final answer
    x = 568,039.96

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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.