Home / 349,214.20-523,043.70-287,006.20

Finding the Fourth Proportional to 349,214.20, 523,043.70 and 287,006.20

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Solution

The fourth proportional to 349,214.20, 523,043.70 and 287,006.20 is: 429,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,214.20 : 523,043.70 = 287,006.20 : x
  2. Step 2: Convert to fraction form
    349,214.20/523,043.70 = 287,006.20/x
  3. Step 3: Cross multiply
    349,214.20x = 523,043.70 × 287,006.20
  4. Step 4: Simplify right side
    349,214.20x = 150,116,784,770.94
  5. Step 5: Solve for x
    x = 150,116,784,770.94/349,214.20
  6. Step 6: Final answer
    x = 429,870.22

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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.