Home / 522,076.70-781,365.45-459,091.10

Finding the Fourth Proportional to 522,076.70, 781,365.45 and 459,091.10

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Solution

The fourth proportional to 522,076.70, 781,365.45 and 459,091.10 is: 687,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,076.70 : 781,365.45 = 459,091.10 : x
  2. Step 2: Convert to fraction form
    522,076.70/781,365.45 = 459,091.10/x
  3. Step 3: Cross multiply
    522,076.70x = 781,365.45 × 459,091.10
  4. Step 4: Simplify right side
    522,076.70x = 358,717,923,942.50
  5. Step 5: Solve for x
    x = 358,717,923,942.50/522,076.70
  6. Step 6: Final answer
    x = 687,098.13

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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.