Home / 761,666.68-1,050,487.13-669,589.09

Finding the Fourth Proportional to 761,666.68, 1,050,487.13 and 669,589.09

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Solution

The fourth proportional to 761,666.68, 1,050,487.13 and 669,589.09 is: 923,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,666.68 : 1,050,487.13 = 669,589.09 : x
  2. Step 2: Convert to fraction form
    761,666.68/1,050,487.13 = 669,589.09/x
  3. Step 3: Cross multiply
    761,666.68x = 1,050,487.13 × 669,589.09
  4. Step 4: Simplify right side
    761,666.68x = 703,394,714,507.00
  5. Step 5: Solve for x
    x = 703,394,714,507.00/761,666.68
  6. Step 6: Final answer
    x = 923,494.14

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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.