Home / 760,735.11-1,049,576.77-438,401.37

Finding the Fourth Proportional to 760,735.11, 1,049,576.77 and 438,401.37

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Solution

The fourth proportional to 760,735.11, 1,049,576.77 and 438,401.37 is: 604,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,735.11 : 1,049,576.77 = 438,401.37 : x
  2. Step 2: Convert to fraction form
    760,735.11/1,049,576.77 = 438,401.37/x
  3. Step 3: Cross multiply
    760,735.11x = 1,049,576.77 × 438,401.37
  4. Step 4: Simplify right side
    760,735.11x = 460,135,893,888.18
  5. Step 5: Solve for x
    x = 460,135,893,888.18/760,735.11
  6. Step 6: Final answer
    x = 604,856.92

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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.