Home / 434,454.84-598,919.40-304,999.11

Finding the Fourth Proportional to 434,454.84, 598,919.40 and 304,999.11

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Solution

The fourth proportional to 434,454.84, 598,919.40 and 304,999.11 is: 420,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,454.84 : 598,919.40 = 304,999.11 : x
  2. Step 2: Convert to fraction form
    434,454.84/598,919.40 = 304,999.11/x
  3. Step 3: Cross multiply
    434,454.84x = 598,919.40 × 304,999.11
  4. Step 4: Simplify right side
    434,454.84x = 182,669,883,961.73
  5. Step 5: Solve for x
    x = 182,669,883,961.73/434,454.84
  6. Step 6: Final answer
    x = 420,457.70

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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.