Home / 765,977.46-1,056,888.63-443,668.32

Finding the Fourth Proportional to 765,977.46, 1,056,888.63 and 443,668.32

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Solution

The fourth proportional to 765,977.46, 1,056,888.63 and 443,668.32 is: 612,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,977.46 : 1,056,888.63 = 443,668.32 : x
  2. Step 2: Convert to fraction form
    765,977.46/1,056,888.63 = 443,668.32/x
  3. Step 3: Cross multiply
    765,977.46x = 1,056,888.63 × 443,668.32
  4. Step 4: Simplify right side
    765,977.46x = 468,908,002,899.20
  5. Step 5: Solve for x
    x = 468,908,002,899.20/765,977.46
  6. Step 6: Final answer
    x = 612,169.45

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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.