Home / 946,412.47-1,305,988.40-516,691.67

Finding the Fourth Proportional to 946,412.47, 1,305,988.40 and 516,691.67

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Solution

The fourth proportional to 946,412.47, 1,305,988.40 and 516,691.67 is: 713,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,412.47 : 1,305,988.40 = 516,691.67 : x
  2. Step 2: Convert to fraction form
    946,412.47/1,305,988.40 = 516,691.67/x
  3. Step 3: Cross multiply
    946,412.47x = 1,305,988.40 × 516,691.67
  4. Step 4: Simplify right side
    946,412.47x = 674,793,327,396.63
  5. Step 5: Solve for x
    x = 674,793,327,396.63/946,412.47
  6. Step 6: Final answer
    x = 713,001.31

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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.