Home / 610,285.02-842,243.24-338,438.20

Finding the Fourth Proportional to 610,285.02, 842,243.24 and 338,438.20

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Solution

The fourth proportional to 610,285.02, 842,243.24 and 338,438.20 is: 467,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,285.02 : 842,243.24 = 338,438.20 : x
  2. Step 2: Convert to fraction form
    610,285.02/842,243.24 = 338,438.20/x
  3. Step 3: Cross multiply
    610,285.02x = 842,243.24 × 338,438.20
  4. Step 4: Simplify right side
    610,285.02x = 285,047,286,107.77
  5. Step 5: Solve for x
    x = 285,047,286,107.77/610,285.02
  6. Step 6: Final answer
    x = 467,072.40

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Double scale
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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.