Home / 697,211-1,046,258.92-297,854.78

Finding the Fourth Proportional to 697,211, 1,046,258.92 and 297,854.78

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Solution

The fourth proportional to 697,211, 1,046,258.92 and 297,854.78 is: 446,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,211 : 1,046,258.92 = 297,854.78 : x
  2. Step 2: Convert to fraction form
    697,211/1,046,258.92 = 297,854.78/x
  3. Step 3: Cross multiply
    697,211x = 1,046,258.92 × 297,854.78
  4. Step 4: Simplify right side
    697,211x = 311,633,220,439.64
  5. Step 5: Solve for x
    x = 311,633,220,439.64/697,211
  6. Step 6: Final answer
    x = 446,971.18

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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.