Home / 780,015.96-1,169,165.16-510,032.76

Finding the Fourth Proportional to 780,015.96, 1,169,165.16 and 510,032.76

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Solution

The fourth proportional to 780,015.96, 1,169,165.16 and 510,032.76 is: 764,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,015.96 : 1,169,165.16 = 510,032.76 : x
  2. Step 2: Convert to fraction form
    780,015.96/1,169,165.16 = 510,032.76/x
  3. Step 3: Cross multiply
    780,015.96x = 1,169,165.16 × 510,032.76
  4. Step 4: Simplify right side
    780,015.96x = 596,312,533,450.64
  5. Step 5: Solve for x
    x = 596,312,533,450.64/780,015.96
  6. Step 6: Final answer
    x = 764,487.61

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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.