Home / 913,744.55-1,370,708.63-314,626.43

Finding the Fourth Proportional to 913,744.55, 1,370,708.63 and 314,626.43

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Solution

The fourth proportional to 913,744.55, 1,370,708.63 and 314,626.43 is: 471,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,744.55 : 1,370,708.63 = 314,626.43 : x
  2. Step 2: Convert to fraction form
    913,744.55/1,370,708.63 = 314,626.43/x
  3. Step 3: Cross multiply
    913,744.55x = 1,370,708.63 × 314,626.43
  4. Step 4: Simplify right side
    913,744.55x = 431,261,154,400.42
  5. Step 5: Solve for x
    x = 431,261,154,400.42/913,744.55
  6. Step 6: Final answer
    x = 471,971.25

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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.