Home / 846,958.71-1,269,316.85-621,262.47

Finding the Fourth Proportional to 846,958.71, 1,269,316.85 and 621,262.47

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Solution

The fourth proportional to 846,958.71, 1,269,316.85 and 621,262.47 is: 931,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,958.71 : 1,269,316.85 = 621,262.47 : x
  2. Step 2: Convert to fraction form
    846,958.71/1,269,316.85 = 621,262.47/x
  3. Step 3: Cross multiply
    846,958.71x = 1,269,316.85 × 621,262.47
  4. Step 4: Simplify right side
    846,958.71x = 788,578,918,337.31
  5. Step 5: Solve for x
    x = 788,578,918,337.31/846,958.71
  6. Step 6: Final answer
    x = 931,071.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.