Home / 945,359.54-1,304,600.23-515,648.90

Finding the Fourth Proportional to 945,359.54, 1,304,600.23 and 515,648.90

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Solution

The fourth proportional to 945,359.54, 1,304,600.23 and 515,648.90 is: 711,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,359.54 : 1,304,600.23 = 515,648.90 : x
  2. Step 2: Convert to fraction form
    945,359.54/1,304,600.23 = 515,648.90/x
  3. Step 3: Cross multiply
    945,359.54x = 1,304,600.23 × 515,648.90
  4. Step 4: Simplify right side
    945,359.54x = 672,715,673,539.25
  5. Step 5: Solve for x
    x = 672,715,673,539.25/945,359.54
  6. Step 6: Final answer
    x = 711,597.70

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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.