Home / 628,590.80-942,895.08-179,311.76

Finding the Fourth Proportional to 628,590.80, 942,895.08 and 179,311.76

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Solution

The fourth proportional to 628,590.80, 942,895.08 and 179,311.76 is: 268,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,590.80 : 942,895.08 = 179,311.76 : x
  2. Step 2: Convert to fraction form
    628,590.80/942,895.08 = 179,311.76/x
  3. Step 3: Cross multiply
    628,590.80x = 942,895.08 × 179,311.76
  4. Step 4: Simplify right side
    628,590.80x = 169,072,176,290.14
  5. Step 5: Solve for x
    x = 169,072,176,290.14/628,590.80
  6. Step 6: Final answer
    x = 268,970.17

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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.