Home / 718,513.20-1,076,603.40-451,796.40

Finding the Fourth Proportional to 718,513.20, 1,076,603.40 and 451,796.40

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Solution

The fourth proportional to 718,513.20, 1,076,603.40 and 451,796.40 is: 676,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,513.20 : 1,076,603.40 = 451,796.40 : x
  2. Step 2: Convert to fraction form
    718,513.20/1,076,603.40 = 451,796.40/x
  3. Step 3: Cross multiply
    718,513.20x = 1,076,603.40 × 451,796.40
  4. Step 4: Simplify right side
    718,513.20x = 486,405,540,347.76
  5. Step 5: Solve for x
    x = 486,405,540,347.76/718,513.20
  6. Step 6: Final answer
    x = 676,961.18

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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.