Home / 755,742.06-1,042,908.36-411,581.76

Finding the Fourth Proportional to 755,742.06, 1,042,908.36 and 411,581.76

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Solution

The fourth proportional to 755,742.06, 1,042,908.36 and 411,581.76 is: 567,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,742.06 : 1,042,908.36 = 411,581.76 : x
  2. Step 2: Convert to fraction form
    755,742.06/1,042,908.36 = 411,581.76/x
  3. Step 3: Cross multiply
    755,742.06x = 1,042,908.36 × 411,581.76
  4. Step 4: Simplify right side
    755,742.06x = 429,242,058,327.51
  5. Step 5: Solve for x
    x = 429,242,058,327.51/755,742.06
  6. Step 6: Final answer
    x = 567,974.29

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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.