Home / 718,542.20-1,077,813.30-245,761.40

Finding the Fourth Proportional to 718,542.20, 1,077,813.30 and 245,761.40

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Solution

The fourth proportional to 718,542.20, 1,077,813.30 and 245,761.40 is: 368,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,542.20 : 1,077,813.30 = 245,761.40 : x
  2. Step 2: Convert to fraction form
    718,542.20/1,077,813.30 = 245,761.40/x
  3. Step 3: Cross multiply
    718,542.20x = 1,077,813.30 × 245,761.40
  4. Step 4: Simplify right side
    718,542.20x = 264,884,905,546.62
  5. Step 5: Solve for x
    x = 264,884,905,546.62/718,542.20
  6. Step 6: Final answer
    x = 368,642.10

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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.