Home / 945,360.54-1,304,601.62-515,649.90

Finding the Fourth Proportional to 945,360.54, 1,304,601.62 and 515,649.90

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Solution

The fourth proportional to 945,360.54, 1,304,601.62 and 515,649.90 is: 711,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,360.54 : 1,304,601.62 = 515,649.90 : x
  2. Step 2: Convert to fraction form
    945,360.54/1,304,601.62 = 515,649.90/x
  3. Step 3: Cross multiply
    945,360.54x = 1,304,601.62 × 515,649.90
  4. Step 4: Simplify right side
    945,360.54x = 672,717,694,892.84
  5. Step 5: Solve for x
    x = 672,717,694,892.84/945,360.54
  6. Step 6: Final answer
    x = 711,599.08

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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.