Home / 727,836.84-1,090,130.31-558,107.10

Finding the Fourth Proportional to 727,836.84, 1,090,130.31 and 558,107.10

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Solution

The fourth proportional to 727,836.84, 1,090,130.31 and 558,107.10 is: 835,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,836.84 : 1,090,130.31 = 558,107.10 : x
  2. Step 2: Convert to fraction form
    727,836.84/1,090,130.31 = 558,107.10/x
  3. Step 3: Cross multiply
    727,836.84x = 1,090,130.31 × 558,107.10
  4. Step 4: Simplify right side
    727,836.84x = 608,409,465,936.20
  5. Step 5: Solve for x
    x = 608,409,465,936.20/727,836.84
  6. Step 6: Final answer
    x = 835,914.63

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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.