Home / 913,578.42-1,370,458.89-314,460.30

Finding the Fourth Proportional to 913,578.42, 1,370,458.89 and 314,460.30

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Solution

The fourth proportional to 913,578.42, 1,370,458.89 and 314,460.30 is: 471,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,578.42 : 1,370,458.89 = 314,460.30 : x
  2. Step 2: Convert to fraction form
    913,578.42/1,370,458.89 = 314,460.30/x
  3. Step 3: Cross multiply
    913,578.42x = 1,370,458.89 × 314,460.30
  4. Step 4: Simplify right side
    913,578.42x = 430,954,913,687.07
  5. Step 5: Solve for x
    x = 430,954,913,687.07/913,578.42
  6. Step 6: Final answer
    x = 471,721.86

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1.5x scale

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.