Home / 760,734.11-1,049,575.39-438,400.37

Finding the Fourth Proportional to 760,734.11, 1,049,575.39 and 438,400.37

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Solution

The fourth proportional to 760,734.11, 1,049,575.39 and 438,400.37 is: 604,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,734.11 : 1,049,575.39 = 438,400.37 : x
  2. Step 2: Convert to fraction form
    760,734.11/1,049,575.39 = 438,400.37/x
  3. Step 3: Cross multiply
    760,734.11x = 1,049,575.39 × 438,400.37
  4. Step 4: Simplify right side
    760,734.11x = 460,134,240,846.83
  5. Step 5: Solve for x
    x = 460,134,240,846.83/760,734.11
  6. Step 6: Final answer
    x = 604,855.54

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1.5x scale

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.