Home / 760,181.19-1,049,071.82-420,681.03

Finding the Fourth Proportional to 760,181.19, 1,049,071.82 and 420,681.03

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Solution

The fourth proportional to 760,181.19, 1,049,071.82 and 420,681.03 is: 580,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,181.19 : 1,049,071.82 = 420,681.03 : x
  2. Step 2: Convert to fraction form
    760,181.19/1,049,071.82 = 420,681.03/x
  3. Step 3: Cross multiply
    760,181.19x = 1,049,071.82 × 420,681.03
  4. Step 4: Simplify right side
    760,181.19x = 441,324,611,678.17
  5. Step 5: Solve for x
    x = 441,324,611,678.17/760,181.19
  6. Step 6: Final answer
    x = 580,551.87

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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.