Home / 610,457.27-842,474.21-338,551.20

Finding the Fourth Proportional to 610,457.27, 842,474.21 and 338,551.20

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Solution

The fourth proportional to 610,457.27, 842,474.21 and 338,551.20 is: 467,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,457.27 : 842,474.21 = 338,551.20 : x
  2. Step 2: Convert to fraction form
    610,457.27/842,474.21 = 338,551.20/x
  3. Step 3: Cross multiply
    610,457.27x = 842,474.21 × 338,551.20
  4. Step 4: Simplify right side
    610,457.27x = 285,220,653,071.80
  5. Step 5: Solve for x
    x = 285,220,653,071.80/610,457.27
  6. Step 6: Final answer
    x = 467,224.60

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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.