Home / 394,807.02-544,582.86-258,849.78

Finding the Fourth Proportional to 394,807.02, 544,582.86 and 258,849.78

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Solution

The fourth proportional to 394,807.02, 544,582.86 and 258,849.78 is: 357,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,807.02 : 544,582.86 = 258,849.78 : x
  2. Step 2: Convert to fraction form
    394,807.02/544,582.86 = 258,849.78/x
  3. Step 3: Cross multiply
    394,807.02x = 544,582.86 × 258,849.78
  4. Step 4: Simplify right side
    394,807.02x = 140,965,153,502.77
  5. Step 5: Solve for x
    x = 140,965,153,502.77/394,807.02
  6. Step 6: Final answer
    x = 357,048.24

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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.