Home / 498,080.52-687,428.10-294,153.48

Finding the Fourth Proportional to 498,080.52, 687,428.10 and 294,153.48

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Solution

The fourth proportional to 498,080.52, 687,428.10 and 294,153.48 is: 405,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,080.52 : 687,428.10 = 294,153.48 : x
  2. Step 2: Convert to fraction form
    498,080.52/687,428.10 = 294,153.48/x
  3. Step 3: Cross multiply
    498,080.52x = 687,428.10 × 294,153.48
  4. Step 4: Simplify right side
    498,080.52x = 202,209,367,864.79
  5. Step 5: Solve for x
    x = 202,209,367,864.79/498,080.52
  6. Step 6: Final answer
    x = 405,977.27

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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.