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Finding the Fourth Proportional to 524,836.60, 787,331.70 and 275,537.40

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Solution

The fourth proportional to 524,836.60, 787,331.70 and 275,537.40 is: 413,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,836.60 : 787,331.70 = 275,537.40 : x
  2. Step 2: Convert to fraction form
    524,836.60/787,331.70 = 275,537.40/x
  3. Step 3: Cross multiply
    524,836.60x = 787,331.70 × 275,537.40
  4. Step 4: Simplify right side
    524,836.60x = 216,939,329,555.58
  5. Step 5: Solve for x
    x = 216,939,329,555.58/524,836.60
  6. Step 6: Final answer
    x = 413,346.42

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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.