Home / 840,391.44-1,258,372.81-502,631.16

Finding the Fourth Proportional to 840,391.44, 1,258,372.81 and 502,631.16

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Solution

The fourth proportional to 840,391.44, 1,258,372.81 and 502,631.16 is: 752,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,391.44 : 1,258,372.81 = 502,631.16 : x
  2. Step 2: Convert to fraction form
    840,391.44/1,258,372.81 = 502,631.16/x
  3. Step 3: Cross multiply
    840,391.44x = 1,258,372.81 × 502,631.16
  4. Step 4: Simplify right side
    840,391.44x = 632,497,385,202.76
  5. Step 5: Solve for x
    x = 632,497,385,202.76/840,391.44
  6. Step 6: Final answer
    x = 752,622.36

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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.