Home / 784,129.70-1,176,264.71-304,346.25

Finding the Fourth Proportional to 784,129.70, 1,176,264.71 and 304,346.25

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Solution

The fourth proportional to 784,129.70, 1,176,264.71 and 304,346.25 is: 456,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,129.70 : 1,176,264.71 = 304,346.25 : x
  2. Step 2: Convert to fraction form
    784,129.70/1,176,264.71 = 304,346.25/x
  3. Step 3: Cross multiply
    784,129.70x = 1,176,264.71 × 304,346.25
  4. Step 4: Simplify right side
    784,129.70x = 357,991,751,974.11
  5. Step 5: Solve for x
    x = 357,991,751,974.11/784,129.70
  6. Step 6: Final answer
    x = 456,546.61

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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.