Home / 761,674.46-1,143,196.95-406,991.66

Finding the Fourth Proportional to 761,674.46, 1,143,196.95 and 406,991.66

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Solution

The fourth proportional to 761,674.46, 1,143,196.95 and 406,991.66 is: 610,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,674.46 : 1,143,196.95 = 406,991.66 : x
  2. Step 2: Convert to fraction form
    761,674.46/1,143,196.95 = 406,991.66/x
  3. Step 3: Cross multiply
    761,674.46x = 1,143,196.95 × 406,991.66
  4. Step 4: Simplify right side
    761,674.46x = 465,271,624,387.44
  5. Step 5: Solve for x
    x = 465,271,624,387.44/761,674.46
  6. Step 6: Final answer
    x = 610,853.65

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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.