Home / 760,408.32-1,049,597.10-438,333.72

Finding the Fourth Proportional to 760,408.32, 1,049,597.10 and 438,333.72

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Solution

The fourth proportional to 760,408.32, 1,049,597.10 and 438,333.72 is: 605,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,408.32 : 1,049,597.10 = 438,333.72 : x
  2. Step 2: Convert to fraction form
    760,408.32/1,049,597.10 = 438,333.72/x
  3. Step 3: Cross multiply
    760,408.32x = 1,049,597.10 × 438,333.72
  4. Step 4: Simplify right side
    760,408.32x = 460,073,801,344.21
  5. Step 5: Solve for x
    x = 460,073,801,344.21/760,408.32
  6. Step 6: Final answer
    x = 605,035.20

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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.