Home / 760,575.34-1,049,286.36-438,112.72

Finding the Fourth Proportional to 760,575.34, 1,049,286.36 and 438,112.72

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Solution

The fourth proportional to 760,575.34, 1,049,286.36 and 438,112.72 is: 604,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,575.34 : 1,049,286.36 = 438,112.72 : x
  2. Step 2: Convert to fraction form
    760,575.34/1,049,286.36 = 438,112.72/x
  3. Step 3: Cross multiply
    760,575.34x = 1,049,286.36 × 438,112.72
  4. Step 4: Simplify right side
    760,575.34x = 459,705,701,238.50
  5. Step 5: Solve for x
    x = 459,705,701,238.50/760,575.34
  6. Step 6: Final answer
    x = 604,418.36

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Double scale
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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.