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Finding the Fourth Proportional to 641,870.46, 962,816.63 and 242,699.22

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Solution

The fourth proportional to 641,870.46, 962,816.63 and 242,699.22 is: 364,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,870.46 : 962,816.63 = 242,699.22 : x
  2. Step 2: Convert to fraction form
    641,870.46/962,816.63 = 242,699.22/x
  3. Step 3: Cross multiply
    641,870.46x = 962,816.63 × 242,699.22
  4. Step 4: Simplify right side
    641,870.46x = 233,674,843,890.53
  5. Step 5: Solve for x
    x = 233,674,843,890.53/641,870.46
  6. Step 6: Final answer
    x = 364,052.96

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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.