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Finding the Fourth Proportional to 603,269.46, 903,526.02 and 287,947.80

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Solution

The fourth proportional to 603,269.46, 903,526.02 and 287,947.80 is: 431,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,269.46 : 903,526.02 = 287,947.80 : x
  2. Step 2: Convert to fraction form
    603,269.46/903,526.02 = 287,947.80/x
  3. Step 3: Cross multiply
    603,269.46x = 903,526.02 × 287,947.80
  4. Step 4: Simplify right side
    603,269.46x = 260,168,329,701.76
  5. Step 5: Solve for x
    x = 260,168,329,701.76/603,269.46
  6. Step 6: Final answer
    x = 431,263.88

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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.