Home / 851,029.20-1,276,543.80-536,878.80

Finding the Fourth Proportional to 851,029.20, 1,276,543.80 and 536,878.80

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Solution

The fourth proportional to 851,029.20, 1,276,543.80 and 536,878.80 is: 805,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,029.20 : 1,276,543.80 = 536,878.80 : x
  2. Step 2: Convert to fraction form
    851,029.20/1,276,543.80 = 536,878.80/x
  3. Step 3: Cross multiply
    851,029.20x = 1,276,543.80 × 536,878.80
  4. Step 4: Simplify right side
    851,029.20x = 685,349,303,491.44
  5. Step 5: Solve for x
    x = 685,349,303,491.44/851,029.20
  6. Step 6: Final answer
    x = 805,318.20

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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.