Home / 769,529.35-1,062,055.99-442,835.65

Finding the Fourth Proportional to 769,529.35, 1,062,055.99 and 442,835.65

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Solution

The fourth proportional to 769,529.35, 1,062,055.99 and 442,835.65 is: 611,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,529.35 : 1,062,055.99 = 442,835.65 : x
  2. Step 2: Convert to fraction form
    769,529.35/1,062,055.99 = 442,835.65/x
  3. Step 3: Cross multiply
    769,529.35x = 1,062,055.99 × 442,835.65
  4. Step 4: Simplify right side
    769,529.35x = 470,316,256,549.16
  5. Step 5: Solve for x
    x = 470,316,256,549.16/769,529.35
  6. Step 6: Final answer
    x = 611,173.90

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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.