Home / 584,945.96-807,279.90-355,450.28

Finding the Fourth Proportional to 584,945.96, 807,279.90 and 355,450.28

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Solution

The fourth proportional to 584,945.96, 807,279.90 and 355,450.28 is: 490,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,945.96 : 807,279.90 = 355,450.28 : x
  2. Step 2: Convert to fraction form
    584,945.96/807,279.90 = 355,450.28/x
  3. Step 3: Cross multiply
    584,945.96x = 807,279.90 × 355,450.28
  4. Step 4: Simplify right side
    584,945.96x = 286,947,866,493.37
  5. Step 5: Solve for x
    x = 286,947,866,493.37/584,945.96
  6. Step 6: Final answer
    x = 490,554.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.