Home / 948,288.88-1,308,661.40-540,381.96

Finding the Fourth Proportional to 948,288.88, 1,308,661.40 and 540,381.96

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Solution

The fourth proportional to 948,288.88, 1,308,661.40 and 540,381.96 is: 745,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,288.88 : 1,308,661.40 = 540,381.96 : x
  2. Step 2: Convert to fraction form
    948,288.88/1,308,661.40 = 540,381.96/x
  3. Step 3: Cross multiply
    948,288.88x = 1,308,661.40 × 540,381.96
  4. Step 4: Simplify right side
    948,288.88x = 707,177,012,308.34
  5. Step 5: Solve for x
    x = 707,177,012,308.34/948,288.88
  6. Step 6: Final answer
    x = 745,740.07

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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.