Home / 651,630.02-899,249.40-396,981.02

Finding the Fourth Proportional to 651,630.02, 899,249.40 and 396,981.02

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Solution

The fourth proportional to 651,630.02, 899,249.40 and 396,981.02 is: 547,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,630.02 : 899,249.40 = 396,981.02 : x
  2. Step 2: Convert to fraction form
    651,630.02/899,249.40 = 396,981.02/x
  3. Step 3: Cross multiply
    651,630.02x = 899,249.40 × 396,981.02
  4. Step 4: Simplify right side
    651,630.02x = 356,984,944,046.39
  5. Step 5: Solve for x
    x = 356,984,944,046.39/651,630.02
  6. Step 6: Final answer
    x = 547,833.79

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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.