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Finding the Fourth Proportional to 480,364.01, 720,520.02 and 243,700.54

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Solution

The fourth proportional to 480,364.01, 720,520.02 and 243,700.54 is: 365,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,364.01 : 720,520.02 = 243,700.54 : x
  2. Step 2: Convert to fraction form
    480,364.01/720,520.02 = 243,700.54/x
  3. Step 3: Cross multiply
    480,364.01x = 720,520.02 × 243,700.54
  4. Step 4: Simplify right side
    480,364.01x = 175,591,116,153.51
  5. Step 5: Solve for x
    x = 175,591,116,153.51/480,364.01
  6. Step 6: Final answer
    x = 365,537.62

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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.