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Finding the Fourth Proportional to 610,450.68, 842,246.40 and 352,306.92

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Solution

The fourth proportional to 610,450.68, 842,246.40 and 352,306.92 is: 486,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,450.68 : 842,246.40 = 352,306.92 : x
  2. Step 2: Convert to fraction form
    610,450.68/842,246.40 = 352,306.92/x
  3. Step 3: Cross multiply
    610,450.68x = 842,246.40 × 352,306.92
  4. Step 4: Simplify right side
    610,450.68x = 296,729,235,065.09
  5. Step 5: Solve for x
    x = 296,729,235,065.09/610,450.68
  6. Step 6: Final answer
    x = 486,082.24

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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.