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Finding the Fourth Proportional to 540,659.86, 810,353.16 and 220,612.01

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Solution

The fourth proportional to 540,659.86, 810,353.16 and 220,612.01 is: 330,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,659.86 : 810,353.16 = 220,612.01 : x
  2. Step 2: Convert to fraction form
    540,659.86/810,353.16 = 220,612.01/x
  3. Step 3: Cross multiply
    540,659.86x = 810,353.16 × 220,612.01
  4. Step 4: Simplify right side
    540,659.86x = 178,773,635,385.69
  5. Step 5: Solve for x
    x = 178,773,635,385.69/540,659.86
  6. Step 6: Final answer
    x = 330,658.24

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1.5x scale

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.