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Finding the Fourth Proportional to 524,201.40, 787,223.70 and 507,612.60

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Solution

The fourth proportional to 524,201.40, 787,223.70 and 507,612.60 is: 762,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,201.40 : 787,223.70 = 507,612.60 : x
  2. Step 2: Convert to fraction form
    524,201.40/787,223.70 = 507,612.60/x
  3. Step 3: Cross multiply
    524,201.40x = 787,223.70 × 507,612.60
  4. Step 4: Simplify right side
    524,201.40x = 399,604,669,138.62
  5. Step 5: Solve for x
    x = 399,604,669,138.62/524,201.40
  6. Step 6: Final answer
    x = 762,311.34

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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.