Home / 498,116.70-687,408.93-271,762.20

Finding the Fourth Proportional to 498,116.70, 687,408.93 and 271,762.20

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Solution

The fourth proportional to 498,116.70, 687,408.93 and 271,762.20 is: 375,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,116.70 : 687,408.93 = 271,762.20 : x
  2. Step 2: Convert to fraction form
    498,116.70/687,408.93 = 271,762.20/x
  3. Step 3: Cross multiply
    498,116.70x = 687,408.93 × 271,762.20
  4. Step 4: Simplify right side
    498,116.70x = 186,811,763,116.45
  5. Step 5: Solve for x
    x = 186,811,763,116.45/498,116.70
  6. Step 6: Final answer
    x = 375,036.14

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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.