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Finding the Fourth Proportional to 480,420.09, 720,659.87 and 160,600.74

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Solution

The fourth proportional to 480,420.09, 720,659.87 and 160,600.74 is: 240,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,420.09 : 720,659.87 = 160,600.74 : x
  2. Step 2: Convert to fraction form
    480,420.09/720,659.87 = 160,600.74/x
  3. Step 3: Cross multiply
    480,420.09x = 720,659.87 × 160,600.74
  4. Step 4: Simplify right side
    480,420.09x = 115,738,507,607.30
  5. Step 5: Solve for x
    x = 115,738,507,607.30/480,420.09
  6. Step 6: Final answer
    x = 240,911.05

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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.