Home / 702,777.60-1,054,166.40-303,139.80

Finding the Fourth Proportional to 702,777.60, 1,054,166.40 and 303,139.80

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Solution

The fourth proportional to 702,777.60, 1,054,166.40 and 303,139.80 is: 454,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,777.60 : 1,054,166.40 = 303,139.80 : x
  2. Step 2: Convert to fraction form
    702,777.60/1,054,166.40 = 303,139.80/x
  3. Step 3: Cross multiply
    702,777.60x = 1,054,166.40 × 303,139.80
  4. Step 4: Simplify right side
    702,777.60x = 319,559,791,662.72
  5. Step 5: Solve for x
    x = 319,559,791,662.72/702,777.60
  6. Step 6: Final answer
    x = 454,709.70

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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.