Home / 499,022.70-748,643.40-246,424.20

Finding the Fourth Proportional to 499,022.70, 748,643.40 and 246,424.20

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Solution

The fourth proportional to 499,022.70, 748,643.40 and 246,424.20 is: 369,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,022.70 : 748,643.40 = 246,424.20 : x
  2. Step 2: Convert to fraction form
    499,022.70/748,643.40 = 246,424.20/x
  3. Step 3: Cross multiply
    499,022.70x = 748,643.40 × 246,424.20
  4. Step 4: Simplify right side
    499,022.70x = 184,483,850,930.28
  5. Step 5: Solve for x
    x = 184,483,850,930.28/499,022.70
  6. Step 6: Final answer
    x = 369,690.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.