Home / 766,011.57-1,148,374.08-333,405.89

Finding the Fourth Proportional to 766,011.57, 1,148,374.08 and 333,405.89

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Solution

The fourth proportional to 766,011.57, 1,148,374.08 and 333,405.89 is: 499,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,011.57 : 1,148,374.08 = 333,405.89 : x
  2. Step 2: Convert to fraction form
    766,011.57/1,148,374.08 = 333,405.89/x
  3. Step 3: Cross multiply
    766,011.57x = 1,148,374.08 × 333,405.89
  4. Step 4: Simplify right side
    766,011.57x = 382,874,676,453.46
  5. Step 5: Solve for x
    x = 382,874,676,453.46/766,011.57
  6. Step 6: Final answer
    x = 499,828.84

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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.