Home / 769,280.70-1,153,575.45-295,808.70

Finding the Fourth Proportional to 769,280.70, 1,153,575.45 and 295,808.70

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Solution

The fourth proportional to 769,280.70, 1,153,575.45 and 295,808.70 is: 443,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,280.70 : 1,153,575.45 = 295,808.70 : x
  2. Step 2: Convert to fraction form
    769,280.70/1,153,575.45 = 295,808.70/x
  3. Step 3: Cross multiply
    769,280.70x = 1,153,575.45 × 295,808.70
  4. Step 4: Simplify right side
    769,280.70x = 341,237,654,216.42
  5. Step 5: Solve for x
    x = 341,237,654,216.42/769,280.70
  6. Step 6: Final answer
    x = 443,580.16

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1.5x scale

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.