Home / 945,014.40-1,304,071.92-515,291.04

Finding the Fourth Proportional to 945,014.40, 1,304,071.92 and 515,291.04

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Solution

The fourth proportional to 945,014.40, 1,304,071.92 and 515,291.04 is: 711,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,014.40 : 1,304,071.92 = 515,291.04 : x
  2. Step 2: Convert to fraction form
    945,014.40/1,304,071.92 = 515,291.04/x
  3. Step 3: Cross multiply
    945,014.40x = 1,304,071.92 × 515,291.04
  4. Step 4: Simplify right side
    945,014.40x = 671,976,575,891.60
  5. Step 5: Solve for x
    x = 671,976,575,891.60/945,014.40
  6. Step 6: Final answer
    x = 711,075.49

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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.