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Finding the Fourth Proportional to 537,799.20, 804,949.20 and 418,826.40

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Solution

The fourth proportional to 537,799.20, 804,949.20 and 418,826.40 is: 626,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,799.20 : 804,949.20 = 418,826.40 : x
  2. Step 2: Convert to fraction form
    537,799.20/804,949.20 = 418,826.40/x
  3. Step 3: Cross multiply
    537,799.20x = 804,949.20 × 418,826.40
  4. Step 4: Simplify right side
    537,799.20x = 337,133,975,618.88
  5. Step 5: Solve for x
    x = 337,133,975,618.88/537,799.20
  6. Step 6: Final answer
    x = 626,877.05

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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.