Home / 946,533.20-1,306,214.91-516,813.21

Finding the Fourth Proportional to 946,533.20, 1,306,214.91 and 516,813.21

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Solution

The fourth proportional to 946,533.20, 1,306,214.91 and 516,813.21 is: 713,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,533.20 : 1,306,214.91 = 516,813.21 : x
  2. Step 2: Convert to fraction form
    946,533.20/1,306,214.91 = 516,813.21/x
  3. Step 3: Cross multiply
    946,533.20x = 1,306,214.91 × 516,813.21
  4. Step 4: Simplify right side
    946,533.20x = 675,069,120,586.96
  5. Step 5: Solve for x
    x = 675,069,120,586.96/946,533.20
  6. Step 6: Final answer
    x = 713,201.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.