Home / 770,464.40-1,154,530.20-520,854.80

Finding the Fourth Proportional to 770,464.40, 1,154,530.20 and 520,854.80

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Solution

The fourth proportional to 770,464.40, 1,154,530.20 and 520,854.80 is: 780,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,464.40 : 1,154,530.20 = 520,854.80 : x
  2. Step 2: Convert to fraction form
    770,464.40/1,154,530.20 = 520,854.80/x
  3. Step 3: Cross multiply
    770,464.40x = 1,154,530.20 × 520,854.80
  4. Step 4: Simplify right side
    770,464.40x = 601,342,596,414.96
  5. Step 5: Solve for x
    x = 601,342,596,414.96/770,464.40
  6. Step 6: Final answer
    x = 780,493.68

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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.