Home / 492,460.30-679,599.75-277,581.34

Finding the Fourth Proportional to 492,460.30, 679,599.75 and 277,581.34

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Solution

The fourth proportional to 492,460.30, 679,599.75 and 277,581.34 is: 383,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,460.30 : 679,599.75 = 277,581.34 : x
  2. Step 2: Convert to fraction form
    492,460.30/679,599.75 = 277,581.34/x
  3. Step 3: Cross multiply
    492,460.30x = 679,599.75 × 277,581.34
  4. Step 4: Simplify right side
    492,460.30x = 188,644,209,268.67
  5. Step 5: Solve for x
    x = 188,644,209,268.67/492,460.30
  6. Step 6: Final answer
    x = 383,064.81

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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.