Home / 945,374.04-1,304,620.26-515,663.40

Finding the Fourth Proportional to 945,374.04, 1,304,620.26 and 515,663.40

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Solution

The fourth proportional to 945,374.04, 1,304,620.26 and 515,663.40 is: 711,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,374.04 : 1,304,620.26 = 515,663.40 : x
  2. Step 2: Convert to fraction form
    945,374.04/1,304,620.26 = 515,663.40/x
  3. Step 3: Cross multiply
    945,374.04x = 1,304,620.26 × 515,663.40
  4. Step 4: Simplify right side
    945,374.04x = 672,744,918,980.48
  5. Step 5: Solve for x
    x = 672,744,918,980.48/945,374.04
  6. Step 6: Final answer
    x = 711,617.72

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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.