Home / 945,478.58-1,304,869.30-526,416.57

Finding the Fourth Proportional to 945,478.58, 1,304,869.30 and 526,416.57

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Solution

The fourth proportional to 945,478.58, 1,304,869.30 and 526,416.57 is: 726,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,478.58 : 1,304,869.30 = 526,416.57 : x
  2. Step 2: Convert to fraction form
    945,478.58/1,304,869.30 = 526,416.57/x
  3. Step 3: Cross multiply
    945,478.58x = 1,304,869.30 × 526,416.57
  4. Step 4: Simplify right side
    945,478.58x = 686,904,819,888.26
  5. Step 5: Solve for x
    x = 686,904,819,888.26/945,478.58
  6. Step 6: Final answer
    x = 726,515.48

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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.