Home / 755,334.10-1,042,408.27-415,802.35

Finding the Fourth Proportional to 755,334.10, 1,042,408.27 and 415,802.35

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Solution

The fourth proportional to 755,334.10, 1,042,408.27 and 415,802.35 is: 573,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,334.10 : 1,042,408.27 = 415,802.35 : x
  2. Step 2: Convert to fraction form
    755,334.10/1,042,408.27 = 415,802.35/x
  3. Step 3: Cross multiply
    755,334.10x = 1,042,408.27 × 415,802.35
  4. Step 4: Simplify right side
    755,334.10x = 433,435,808,325.44
  5. Step 5: Solve for x
    x = 433,435,808,325.44/755,334.10
  6. Step 6: Final answer
    x = 573,833.23

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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.