Home / 760,450.32-1,049,655.06-438,375.72

Finding the Fourth Proportional to 760,450.32, 1,049,655.06 and 438,375.72

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Solution

The fourth proportional to 760,450.32, 1,049,655.06 and 438,375.72 is: 605,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,450.32 : 1,049,655.06 = 438,375.72 : x
  2. Step 2: Convert to fraction form
    760,450.32/1,049,655.06 = 438,375.72/x
  3. Step 3: Cross multiply
    760,450.32x = 1,049,655.06 × 438,375.72
  4. Step 4: Simplify right side
    760,450.32x = 460,143,292,679.14
  5. Step 5: Solve for x
    x = 460,143,292,679.14/760,450.32
  6. Step 6: Final answer
    x = 605,093.17

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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.