Home / 718,764.48-1,078,243.92-245,322.72

Finding the Fourth Proportional to 718,764.48, 1,078,243.92 and 245,322.72

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Solution

The fourth proportional to 718,764.48, 1,078,243.92 and 245,322.72 is: 368,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,764.48 : 1,078,243.92 = 245,322.72 : x
  2. Step 2: Convert to fraction form
    718,764.48/1,078,243.92 = 245,322.72/x
  3. Step 3: Cross multiply
    718,764.48x = 1,078,243.92 × 245,322.72
  4. Step 4: Simplify right side
    718,764.48x = 264,517,731,277.86
  5. Step 5: Solve for x
    x = 264,517,731,277.86/718,764.48
  6. Step 6: Final answer
    x = 368,017.26

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1.5x scale

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.