Home / 948,763.66-1,309,383.90-519,108.37

Finding the Fourth Proportional to 948,763.66, 1,309,383.90 and 519,108.37

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Solution

The fourth proportional to 948,763.66, 1,309,383.90 and 519,108.37 is: 716,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,763.66 : 1,309,383.90 = 519,108.37 : x
  2. Step 2: Convert to fraction form
    948,763.66/1,309,383.90 = 519,108.37/x
  3. Step 3: Cross multiply
    948,763.66x = 1,309,383.90 × 519,108.37
  4. Step 4: Simplify right side
    948,763.66x = 679,712,140,252.41
  5. Step 5: Solve for x
    x = 679,712,140,252.41/948,763.66
  6. Step 6: Final answer
    x = 716,418.82

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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.