Home / 945,459.68-1,304,743.82-515,748.87

Finding the Fourth Proportional to 945,459.68, 1,304,743.82 and 515,748.87

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Solution

The fourth proportional to 945,459.68, 1,304,743.82 and 515,748.87 is: 711,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,459.68 : 1,304,743.82 = 515,748.87 : x
  2. Step 2: Convert to fraction form
    945,459.68/1,304,743.82 = 515,748.87/x
  3. Step 3: Cross multiply
    945,459.68x = 1,304,743.82 × 515,748.87
  4. Step 4: Simplify right side
    945,459.68x = 672,920,148,225.74
  5. Step 5: Solve for x
    x = 672,920,148,225.74/945,459.68
  6. Step 6: Final answer
    x = 711,738.60

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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.