Home / 804,709.70-1,207,986.15-472,472.90

Finding the Fourth Proportional to 804,709.70, 1,207,986.15 and 472,472.90

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Solution

The fourth proportional to 804,709.70, 1,207,986.15 and 472,472.90 is: 709,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,709.70 : 1,207,986.15 = 472,472.90 : x
  2. Step 2: Convert to fraction form
    804,709.70/1,207,986.15 = 472,472.90/x
  3. Step 3: Cross multiply
    804,709.70x = 1,207,986.15 × 472,472.90
  4. Step 4: Simplify right side
    804,709.70x = 570,740,719,450.34
  5. Step 5: Solve for x
    x = 570,740,719,450.34/804,709.70
  6. Step 6: Final answer
    x = 709,250.45

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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.