Home / 851,029.20-1,276,543.80-473,115.60

Finding the Fourth Proportional to 851,029.20, 1,276,543.80 and 473,115.60

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Solution

The fourth proportional to 851,029.20, 1,276,543.80 and 473,115.60 is: 709,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,029.20 : 1,276,543.80 = 473,115.60 : x
  2. Step 2: Convert to fraction form
    851,029.20/1,276,543.80 = 473,115.60/x
  3. Step 3: Cross multiply
    851,029.20x = 1,276,543.80 × 473,115.60
  4. Step 4: Simplify right side
    851,029.20x = 603,952,785,863.28
  5. Step 5: Solve for x
    x = 603,952,785,863.28/851,029.20
  6. Step 6: Final answer
    x = 709,673.40

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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.