Home / 945,317.94-1,304,554.30-515,598.06

Finding the Fourth Proportional to 945,317.94, 1,304,554.30 and 515,598.06

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Solution

The fourth proportional to 945,317.94, 1,304,554.30 and 515,598.06 is: 711,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,317.94 : 1,304,554.30 = 515,598.06 : x
  2. Step 2: Convert to fraction form
    945,317.94/1,304,554.30 = 515,598.06/x
  3. Step 3: Cross multiply
    945,317.94x = 1,304,554.30 × 515,598.06
  4. Step 4: Simplify right side
    945,317.94x = 672,625,671,671.32
  5. Step 5: Solve for x
    x = 672,625,671,671.32/945,317.94
  6. Step 6: Final answer
    x = 711,533.81

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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.