Home / 769,925.76-1,154,600.64-264,343.20

Finding the Fourth Proportional to 769,925.76, 1,154,600.64 and 264,343.20

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Solution

The fourth proportional to 769,925.76, 1,154,600.64 and 264,343.20 is: 396,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,925.76 : 1,154,600.64 = 264,343.20 : x
  2. Step 2: Convert to fraction form
    769,925.76/1,154,600.64 = 264,343.20/x
  3. Step 3: Cross multiply
    769,925.76x = 1,154,600.64 × 264,343.20
  4. Step 4: Simplify right side
    769,925.76x = 305,210,827,899.65
  5. Step 5: Solve for x
    x = 305,210,827,899.65/769,925.76
  6. Step 6: Final answer
    x = 396,415.92

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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.