Home / 718,543.20-1,076,648.40-451,826.40

Finding the Fourth Proportional to 718,543.20, 1,076,648.40 and 451,826.40

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Solution

The fourth proportional to 718,543.20, 1,076,648.40 and 451,826.40 is: 677,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,543.20 : 1,076,648.40 = 451,826.40 : x
  2. Step 2: Convert to fraction form
    718,543.20/1,076,648.40 = 451,826.40/x
  3. Step 3: Cross multiply
    718,543.20x = 1,076,648.40 × 451,826.40
  4. Step 4: Simplify right side
    718,543.20x = 486,458,170,637.76
  5. Step 5: Solve for x
    x = 486,458,170,637.76/718,543.20
  6. Step 6: Final answer
    x = 677,006.16

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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.