Home / 948,291.88-1,308,665.54-540,384.96

Finding the Fourth Proportional to 948,291.88, 1,308,665.54 and 540,384.96

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Solution

The fourth proportional to 948,291.88, 1,308,665.54 and 540,384.96 is: 745,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,291.88 : 1,308,665.54 = 540,384.96 : x
  2. Step 2: Convert to fraction form
    948,291.88/1,308,665.54 = 540,384.96/x
  3. Step 3: Cross multiply
    948,291.88x = 1,308,665.54 × 540,384.96
  4. Step 4: Simplify right side
    948,291.88x = 707,183,175,486.28
  5. Step 5: Solve for x
    x = 707,183,175,486.28/948,291.88
  6. Step 6: Final answer
    x = 745,744.21

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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.