Home / 775,957.55-1,163,985.53-243,499.59

Finding the Fourth Proportional to 775,957.55, 1,163,985.53 and 243,499.59

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Solution

The fourth proportional to 775,957.55, 1,163,985.53 and 243,499.59 is: 365,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,957.55 : 1,163,985.53 = 243,499.59 : x
  2. Step 2: Convert to fraction form
    775,957.55/1,163,985.53 = 243,499.59/x
  3. Step 3: Cross multiply
    775,957.55x = 1,163,985.53 × 243,499.59
  4. Step 4: Simplify right side
    775,957.55x = 283,430,002,404.42
  5. Step 5: Solve for x
    x = 283,430,002,404.42/775,957.55
  6. Step 6: Final answer
    x = 365,264.83

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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.