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Finding the Fourth Proportional to 599,124.74, 899,133.45 and 439,612.85

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Solution

The fourth proportional to 599,124.74, 899,133.45 and 439,612.85 is: 659,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,124.74 : 899,133.45 = 439,612.85 : x
  2. Step 2: Convert to fraction form
    599,124.74/899,133.45 = 439,612.85/x
  3. Step 3: Cross multiply
    599,124.74x = 899,133.45 × 439,612.85
  4. Step 4: Simplify right side
    599,124.74x = 395,270,618,484.83
  5. Step 5: Solve for x
    x = 395,270,618,484.83/599,124.74
  6. Step 6: Final answer
    x = 659,746.78

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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.