Home / 756,695.60-1,043,649.42-484,788.77

Finding the Fourth Proportional to 756,695.60, 1,043,649.42 and 484,788.77

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Solution

The fourth proportional to 756,695.60, 1,043,649.42 and 484,788.77 is: 668,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,695.60 : 1,043,649.42 = 484,788.77 : x
  2. Step 2: Convert to fraction form
    756,695.60/1,043,649.42 = 484,788.77/x
  3. Step 3: Cross multiply
    756,695.60x = 1,043,649.42 × 484,788.77
  4. Step 4: Simplify right side
    756,695.60x = 505,949,518,633.01
  5. Step 5: Solve for x
    x = 505,949,518,633.01/756,695.60
  6. Step 6: Final answer
    x = 668,630.18

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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.