Home / 831,710.03-1,147,776.48-469,062.90

Finding the Fourth Proportional to 831,710.03, 1,147,776.48 and 469,062.90

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Solution

The fourth proportional to 831,710.03, 1,147,776.48 and 469,062.90 is: 647,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,710.03 : 1,147,776.48 = 469,062.90 : x
  2. Step 2: Convert to fraction form
    831,710.03/1,147,776.48 = 469,062.90/x
  3. Step 3: Cross multiply
    831,710.03x = 1,147,776.48 × 469,062.90
  4. Step 4: Simplify right side
    831,710.03x = 538,379,364,260.59
  5. Step 5: Solve for x
    x = 538,379,364,260.59/831,710.03
  6. Step 6: Final answer
    x = 647,316.19

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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.