Home / 717,620.20-1,076,430.30-549,658.60

Finding the Fourth Proportional to 717,620.20, 1,076,430.30 and 549,658.60

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Solution

The fourth proportional to 717,620.20, 1,076,430.30 and 549,658.60 is: 824,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,620.20 : 1,076,430.30 = 549,658.60 : x
  2. Step 2: Convert to fraction form
    717,620.20/1,076,430.30 = 549,658.60/x
  3. Step 3: Cross multiply
    717,620.20x = 1,076,430.30 × 549,658.60
  4. Step 4: Simplify right side
    717,620.20x = 591,669,171,695.58
  5. Step 5: Solve for x
    x = 591,669,171,695.58/717,620.20
  6. Step 6: Final answer
    x = 824,487.90

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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.