Home / 913,880.92-1,370,913.18-314,763.16

Finding the Fourth Proportional to 913,880.92, 1,370,913.18 and 314,763.16

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Solution

The fourth proportional to 913,880.92, 1,370,913.18 and 314,763.16 is: 472,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,880.92 : 1,370,913.18 = 314,763.16 : x
  2. Step 2: Convert to fraction form
    913,880.92/1,370,913.18 = 314,763.16/x
  3. Step 3: Cross multiply
    913,880.92x = 1,370,913.18 × 314,763.16
  4. Step 4: Simplify right side
    913,880.92x = 431,512,964,622.45
  5. Step 5: Solve for x
    x = 431,512,964,622.45/913,880.92
  6. Step 6: Final answer
    x = 472,176.36

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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.