Home / 784,221.75-1,175,699.34-304,201.71

Finding the Fourth Proportional to 784,221.75, 1,175,699.34 and 304,201.71

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Solution

The fourth proportional to 784,221.75, 1,175,699.34 and 304,201.71 is: 456,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,221.75 : 1,175,699.34 = 304,201.71 : x
  2. Step 2: Convert to fraction form
    784,221.75/1,175,699.34 = 304,201.71/x
  3. Step 3: Cross multiply
    784,221.75x = 1,175,699.34 × 304,201.71
  4. Step 4: Simplify right side
    784,221.75x = 357,649,749,673.87
  5. Step 5: Solve for x
    x = 357,649,749,673.87/784,221.75
  6. Step 6: Final answer
    x = 456,056.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.