Home / 648,948.46-973,258.38-193,434.58

Finding the Fourth Proportional to 648,948.46, 973,258.38 and 193,434.58

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Solution

The fourth proportional to 648,948.46, 973,258.38 and 193,434.58 is: 290,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,948.46 : 973,258.38 = 193,434.58 : x
  2. Step 2: Convert to fraction form
    648,948.46/973,258.38 = 193,434.58/x
  3. Step 3: Cross multiply
    648,948.46x = 973,258.38 × 193,434.58
  4. Step 4: Simplify right side
    648,948.46x = 188,261,825,966.78
  5. Step 5: Solve for x
    x = 188,261,825,966.78/648,948.46
  6. Step 6: Final answer
    x = 290,102.89

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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.