Home / 770,596.20-1,155,895.92-415,777.32

Finding the Fourth Proportional to 770,596.20, 1,155,895.92 and 415,777.32

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Solution

The fourth proportional to 770,596.20, 1,155,895.92 and 415,777.32 is: 623,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,596.20 : 1,155,895.92 = 415,777.32 : x
  2. Step 2: Convert to fraction form
    770,596.20/1,155,895.92 = 415,777.32/x
  3. Step 3: Cross multiply
    770,596.20x = 1,155,895.92 × 415,777.32
  4. Step 4: Simplify right side
    770,596.20x = 480,595,307,816.53
  5. Step 5: Solve for x
    x = 480,595,307,816.53/770,596.20
  6. Step 6: Final answer
    x = 623,666.85

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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.