Home / 897,203.11-1,238,090.94-509,964.70

Finding the Fourth Proportional to 897,203.11, 1,238,090.94 and 509,964.70

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Solution

The fourth proportional to 897,203.11, 1,238,090.94 and 509,964.70 is: 703,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,203.11 : 1,238,090.94 = 509,964.70 : x
  2. Step 2: Convert to fraction form
    897,203.11/1,238,090.94 = 509,964.70/x
  3. Step 3: Cross multiply
    897,203.11x = 1,238,090.94 × 509,964.70
  4. Step 4: Simplify right side
    897,203.11x = 631,382,671,694.59
  5. Step 5: Solve for x
    x = 631,382,671,694.59/897,203.11
  6. Step 6: Final answer
    x = 703,723.23

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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.