Home / 450,637.48-621,874.02-271,789.48

Finding the Fourth Proportional to 450,637.48, 621,874.02 and 271,789.48

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Solution

The fourth proportional to 450,637.48, 621,874.02 and 271,789.48 is: 375,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,637.48 : 621,874.02 = 271,789.48 : x
  2. Step 2: Convert to fraction form
    450,637.48/621,874.02 = 271,789.48/x
  3. Step 3: Cross multiply
    450,637.48x = 621,874.02 × 271,789.48
  4. Step 4: Simplify right side
    450,637.48x = 169,018,816,521.31
  5. Step 5: Solve for x
    x = 169,018,816,521.31/450,637.48
  6. Step 6: Final answer
    x = 375,066.04

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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.