Home / 783,175.77-1,080,757.08-460,903.50

Finding the Fourth Proportional to 783,175.77, 1,080,757.08 and 460,903.50

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Solution

The fourth proportional to 783,175.77, 1,080,757.08 and 460,903.50 is: 636,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,175.77 : 1,080,757.08 = 460,903.50 : x
  2. Step 2: Convert to fraction form
    783,175.77/1,080,757.08 = 460,903.50/x
  3. Step 3: Cross multiply
    783,175.77x = 1,080,757.08 × 460,903.50
  4. Step 4: Simplify right side
    783,175.77x = 498,124,720,821.78
  5. Step 5: Solve for x
    x = 498,124,720,821.78/783,175.77
  6. Step 6: Final answer
    x = 636,031.83

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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.