Home / 769,919.52-1,062,493.20-430,402.08

Finding the Fourth Proportional to 769,919.52, 1,062,493.20 and 430,402.08

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Solution

The fourth proportional to 769,919.52, 1,062,493.20 and 430,402.08 is: 593,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,919.52 : 1,062,493.20 = 430,402.08 : x
  2. Step 2: Convert to fraction form
    769,919.52/1,062,493.20 = 430,402.08/x
  3. Step 3: Cross multiply
    769,919.52x = 1,062,493.20 × 430,402.08
  4. Step 4: Simplify right side
    769,919.52x = 457,299,283,265.86
  5. Step 5: Solve for x
    x = 457,299,283,265.86/769,919.52
  6. Step 6: Final answer
    x = 593,957.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.