Home / 913,744.05-1,370,707.88-314,625.93

Finding the Fourth Proportional to 913,744.05, 1,370,707.88 and 314,625.93

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Solution

The fourth proportional to 913,744.05, 1,370,707.88 and 314,625.93 is: 471,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,744.05 : 1,370,707.88 = 314,625.93 : x
  2. Step 2: Convert to fraction form
    913,744.05/1,370,707.88 = 314,625.93/x
  3. Step 3: Cross multiply
    913,744.05x = 1,370,707.88 × 314,625.93
  4. Step 4: Simplify right side
    913,744.05x = 431,260,241,503.33
  5. Step 5: Solve for x
    x = 431,260,241,503.33/913,744.05
  6. Step 6: Final answer
    x = 471,970.51

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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.