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Finding the Fourth Proportional to 532,795.15, 735,257.05 and 303,340.58

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Solution

The fourth proportional to 532,795.15, 735,257.05 and 303,340.58 is: 418,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,795.15 : 735,257.05 = 303,340.58 : x
  2. Step 2: Convert to fraction form
    532,795.15/735,257.05 = 303,340.58/x
  3. Step 3: Cross multiply
    532,795.15x = 735,257.05 × 303,340.58
  4. Step 4: Simplify right side
    532,795.15x = 223,033,298,318.67
  5. Step 5: Solve for x
    x = 223,033,298,318.67/532,795.15
  6. Step 6: Final answer
    x = 418,609.85

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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.