Home / 796,688.21-1,099,415.51-434,115.20

Finding the Fourth Proportional to 796,688.21, 1,099,415.51 and 434,115.20

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Solution

The fourth proportional to 796,688.21, 1,099,415.51 and 434,115.20 is: 599,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,688.21 : 1,099,415.51 = 434,115.20 : x
  2. Step 2: Convert to fraction form
    796,688.21/1,099,415.51 = 434,115.20/x
  3. Step 3: Cross multiply
    796,688.21x = 1,099,415.51 × 434,115.20
  4. Step 4: Simplify right side
    796,688.21x = 477,272,986,212.65
  5. Step 5: Solve for x
    x = 477,272,986,212.65/796,688.21
  6. Step 6: Final answer
    x = 599,071.23

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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.