Home / 718,649.60-1,078,722.08-529,323.75

Finding the Fourth Proportional to 718,649.60, 1,078,722.08 and 529,323.75

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Solution

The fourth proportional to 718,649.60, 1,078,722.08 and 529,323.75 is: 794,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,649.60 : 1,078,722.08 = 529,323.75 : x
  2. Step 2: Convert to fraction form
    718,649.60/1,078,722.08 = 529,323.75/x
  3. Step 3: Cross multiply
    718,649.60x = 1,078,722.08 × 529,323.75
  4. Step 4: Simplify right side
    718,649.60x = 570,993,216,593.40
  5. Step 5: Solve for x
    x = 570,993,216,593.40/718,649.60
  6. Step 6: Final answer
    x = 794,536.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.