Home / 757,058.72-1,044,477.20-485,276.44

Finding the Fourth Proportional to 757,058.72, 1,044,477.20 and 485,276.44

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Solution

The fourth proportional to 757,058.72, 1,044,477.20 and 485,276.44 is: 669,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,058.72 : 1,044,477.20 = 485,276.44 : x
  2. Step 2: Convert to fraction form
    757,058.72/1,044,477.20 = 485,276.44/x
  3. Step 3: Cross multiply
    757,058.72x = 1,044,477.20 × 485,276.44
  4. Step 4: Simplify right side
    757,058.72x = 506,860,177,277.17
  5. Step 5: Solve for x
    x = 506,860,177,277.17/757,058.72
  6. Step 6: Final answer
    x = 669,512.37

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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.