Home / 804,767.38-1,208,175.40-521,642.68

Finding the Fourth Proportional to 804,767.38, 1,208,175.40 and 521,642.68

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Solution

The fourth proportional to 804,767.38, 1,208,175.40 and 521,642.68 is: 783,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,767.38 : 1,208,175.40 = 521,642.68 : x
  2. Step 2: Convert to fraction form
    804,767.38/1,208,175.40 = 521,642.68/x
  3. Step 3: Cross multiply
    804,767.38x = 1,208,175.40 × 521,642.68
  4. Step 4: Simplify right side
    804,767.38x = 630,235,847,525.20
  5. Step 5: Solve for x
    x = 630,235,847,525.20/804,767.38
  6. Step 6: Final answer
    x = 783,127.97

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1.5x scale

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.