Home / 948,394.36-1,308,765.90-518,673.16

Finding the Fourth Proportional to 948,394.36, 1,308,765.90 and 518,673.16

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Solution

The fourth proportional to 948,394.36, 1,308,765.90 and 518,673.16 is: 715,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,394.36 : 1,308,765.90 = 518,673.16 : x
  2. Step 2: Convert to fraction form
    948,394.36/1,308,765.90 = 518,673.16/x
  3. Step 3: Cross multiply
    948,394.36x = 1,308,765.90 × 518,673.16
  4. Step 4: Simplify right side
    948,394.36x = 678,821,745,053.24
  5. Step 5: Solve for x
    x = 678,821,745,053.24/948,394.36
  6. Step 6: Final answer
    x = 715,758.94

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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.