Home / 948,898.80-1,309,479.48-519,180.66

Finding the Fourth Proportional to 948,898.80, 1,309,479.48 and 519,180.66

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Solution

The fourth proportional to 948,898.80, 1,309,479.48 and 519,180.66 is: 716,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,898.80 : 1,309,479.48 = 519,180.66 : x
  2. Step 2: Convert to fraction form
    948,898.80/1,309,479.48 = 519,180.66/x
  3. Step 3: Cross multiply
    948,898.80x = 1,309,479.48 × 519,180.66
  4. Step 4: Simplify right side
    948,898.80x = 679,856,420,682.86
  5. Step 5: Solve for x
    x = 679,856,420,682.86/948,898.80
  6. Step 6: Final answer
    x = 716,468.84

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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.