Home / 669,402.52-923,544.57-427,826.50

Finding the Fourth Proportional to 669,402.52, 923,544.57 and 427,826.50

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Solution

The fourth proportional to 669,402.52, 923,544.57 and 427,826.50 is: 590,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,402.52 : 923,544.57 = 427,826.50 : x
  2. Step 2: Convert to fraction form
    669,402.52/923,544.57 = 427,826.50/x
  3. Step 3: Cross multiply
    669,402.52x = 923,544.57 × 427,826.50
  4. Step 4: Simplify right side
    669,402.52x = 395,116,840,272.59
  5. Step 5: Solve for x
    x = 395,116,840,272.59/669,402.52
  6. Step 6: Final answer
    x = 590,252.99

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1.5x scale

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.