Home / 945,312.48-1,304,530.43-515,591.28

Finding the Fourth Proportional to 945,312.48, 1,304,530.43 and 515,591.28

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Solution

The fourth proportional to 945,312.48, 1,304,530.43 and 515,591.28 is: 711,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,312.48 : 1,304,530.43 = 515,591.28 : x
  2. Step 2: Convert to fraction form
    945,312.48/1,304,530.43 = 515,591.28/x
  3. Step 3: Cross multiply
    945,312.48x = 1,304,530.43 × 515,591.28
  4. Step 4: Simplify right side
    945,312.48x = 672,604,511,624.69
  5. Step 5: Solve for x
    x = 672,604,511,624.69/945,312.48
  6. Step 6: Final answer
    x = 711,515.53

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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.