Home / 537,977.40-806,966.10-477,324.60

Finding the Fourth Proportional to 537,977.40, 806,966.10 and 477,324.60

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Solution

The fourth proportional to 537,977.40, 806,966.10 and 477,324.60 is: 715,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,977.40 : 806,966.10 = 477,324.60 : x
  2. Step 2: Convert to fraction form
    537,977.40/806,966.10 = 477,324.60/x
  3. Step 3: Cross multiply
    537,977.40x = 806,966.10 × 477,324.60
  4. Step 4: Simplify right side
    537,977.40x = 385,184,770,896.06
  5. Step 5: Solve for x
    x = 385,184,770,896.06/537,977.40
  6. Step 6: Final answer
    x = 715,986.90

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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.