Home / 498,816.05-688,478.27-326,634.01

Finding the Fourth Proportional to 498,816.05, 688,478.27 and 326,634.01

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Solution

The fourth proportional to 498,816.05, 688,478.27 and 326,634.01 is: 450,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,816.05 : 688,478.27 = 326,634.01 : x
  2. Step 2: Convert to fraction form
    498,816.05/688,478.27 = 326,634.01/x
  3. Step 3: Cross multiply
    498,816.05x = 688,478.27 × 326,634.01
  4. Step 4: Simplify right side
    498,816.05x = 224,880,414,773.60
  5. Step 5: Solve for x
    x = 224,880,414,773.60/498,816.05
  6. Step 6: Final answer
    x = 450,828.35

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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.