Home / 718,648.10-1,078,719.83-529,322.24

Finding the Fourth Proportional to 718,648.10, 1,078,719.83 and 529,322.24

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Solution

The fourth proportional to 718,648.10, 1,078,719.83 and 529,322.24 is: 794,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,648.10 : 1,078,719.83 = 529,322.24 : x
  2. Step 2: Convert to fraction form
    718,648.10/1,078,719.83 = 529,322.24/x
  3. Step 3: Cross multiply
    718,648.10x = 1,078,719.83 × 529,322.24
  4. Step 4: Simplify right side
    718,648.10x = 570,990,398,783.17
  5. Step 5: Solve for x
    x = 570,990,398,783.17/718,648.10
  6. Step 6: Final answer
    x = 794,534.07

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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.