Home / 786,320.20-1,179,480.30-470,614.60

Finding the Fourth Proportional to 786,320.20, 1,179,480.30 and 470,614.60

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Solution

The fourth proportional to 786,320.20, 1,179,480.30 and 470,614.60 is: 705,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,320.20 : 1,179,480.30 = 470,614.60 : x
  2. Step 2: Convert to fraction form
    786,320.20/1,179,480.30 = 470,614.60/x
  3. Step 3: Cross multiply
    786,320.20x = 1,179,480.30 × 470,614.60
  4. Step 4: Simplify right side
    786,320.20x = 555,080,649,592.38
  5. Step 5: Solve for x
    x = 555,080,649,592.38/786,320.20
  6. Step 6: Final answer
    x = 705,921.90

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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.