Home / 522,050.20-781,325.70-459,064.60

Finding the Fourth Proportional to 522,050.20, 781,325.70 and 459,064.60

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Solution

The fourth proportional to 522,050.20, 781,325.70 and 459,064.60 is: 687,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,050.20 : 781,325.70 = 459,064.60 : x
  2. Step 2: Convert to fraction form
    522,050.20/781,325.70 = 459,064.60/x
  3. Step 3: Cross multiply
    522,050.20x = 781,325.70 × 459,064.60
  4. Step 4: Simplify right side
    522,050.20x = 358,678,969,940.22
  5. Step 5: Solve for x
    x = 358,678,969,940.22/522,050.20
  6. Step 6: Final answer
    x = 687,058.39

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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.