Home / 945,376.04-1,304,623.04-515,665.40

Finding the Fourth Proportional to 945,376.04, 1,304,623.04 and 515,665.40

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Solution

The fourth proportional to 945,376.04, 1,304,623.04 and 515,665.40 is: 711,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,376.04 : 1,304,623.04 = 515,665.40 : x
  2. Step 2: Convert to fraction form
    945,376.04/1,304,623.04 = 515,665.40/x
  3. Step 3: Cross multiply
    945,376.04x = 1,304,623.04 × 515,665.40
  4. Step 4: Simplify right side
    945,376.04x = 672,748,961,770.82
  5. Step 5: Solve for x
    x = 672,748,961,770.82/945,376.04
  6. Step 6: Final answer
    x = 711,620.49

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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.