Home / 804,927.30-1,206,008.55-425,285.70

Finding the Fourth Proportional to 804,927.30, 1,206,008.55 and 425,285.70

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Solution

The fourth proportional to 804,927.30, 1,206,008.55 and 425,285.70 is: 637,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,927.30 : 1,206,008.55 = 425,285.70 : x
  2. Step 2: Convert to fraction form
    804,927.30/1,206,008.55 = 425,285.70/x
  3. Step 3: Cross multiply
    804,927.30x = 1,206,008.55 × 425,285.70
  4. Step 4: Simplify right side
    804,927.30x = 512,898,190,392.74
  5. Step 5: Solve for x
    x = 512,898,190,392.74/804,927.30
  6. Step 6: Final answer
    x = 637,198.15

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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.