Home / 755,650.27-1,042,782.41-411,490.28

Finding the Fourth Proportional to 755,650.27, 1,042,782.41 and 411,490.28

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Solution

The fourth proportional to 755,650.27, 1,042,782.41 and 411,490.28 is: 567,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,650.27 : 1,042,782.41 = 411,490.28 : x
  2. Step 2: Convert to fraction form
    755,650.27/1,042,782.41 = 411,490.28/x
  3. Step 3: Cross multiply
    755,650.27x = 1,042,782.41 × 411,490.28
  4. Step 4: Simplify right side
    755,650.27x = 429,094,821,325.37
  5. Step 5: Solve for x
    x = 429,094,821,325.37/755,650.27
  6. Step 6: Final answer
    x = 567,848.44

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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.