Home / 840,821.64-1,160,358.52-458,872.98

Finding the Fourth Proportional to 840,821.64, 1,160,358.52 and 458,872.98

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Solution

The fourth proportional to 840,821.64, 1,160,358.52 and 458,872.98 is: 633,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,821.64 : 1,160,358.52 = 458,872.98 : x
  2. Step 2: Convert to fraction form
    840,821.64/1,160,358.52 = 458,872.98/x
  3. Step 3: Cross multiply
    840,821.64x = 1,160,358.52 × 458,872.98
  4. Step 4: Simplify right side
    840,821.64x = 532,457,171,940.79
  5. Step 5: Solve for x
    x = 532,457,171,940.79/840,821.64
  6. Step 6: Final answer
    x = 633,258.17

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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.