Home / 945,368.04-1,304,611.98-515,657.40

Finding the Fourth Proportional to 945,368.04, 1,304,611.98 and 515,657.40

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Solution

The fourth proportional to 945,368.04, 1,304,611.98 and 515,657.40 is: 711,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,368.04 : 1,304,611.98 = 515,657.40 : x
  2. Step 2: Convert to fraction form
    945,368.04/1,304,611.98 = 515,657.40/x
  3. Step 3: Cross multiply
    945,368.04x = 1,304,611.98 × 515,657.40
  4. Step 4: Simplify right side
    945,368.04x = 672,732,821,615.65
  5. Step 5: Solve for x
    x = 672,732,821,615.65/945,368.04
  6. Step 6: Final answer
    x = 711,609.44

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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.