Home / 980,814.30-1,471,221.45-507,644.70

Finding the Fourth Proportional to 980,814.30, 1,471,221.45 and 507,644.70

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Solution

The fourth proportional to 980,814.30, 1,471,221.45 and 507,644.70 is: 761,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,814.30 : 1,471,221.45 = 507,644.70 : x
  2. Step 2: Convert to fraction form
    980,814.30/1,471,221.45 = 507,644.70/x
  3. Step 3: Cross multiply
    980,814.30x = 1,471,221.45 × 507,644.70
  4. Step 4: Simplify right side
    980,814.30x = 746,857,771,618.82
  5. Step 5: Solve for x
    x = 746,857,771,618.82/980,814.30
  6. Step 6: Final answer
    x = 761,467.05

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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.