Home / 949,894.64-1,310,815.24-520,167.36

Finding the Fourth Proportional to 949,894.64, 1,310,815.24 and 520,167.36

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Solution

The fourth proportional to 949,894.64, 1,310,815.24 and 520,167.36 is: 717,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,894.64 : 1,310,815.24 = 520,167.36 : x
  2. Step 2: Convert to fraction form
    949,894.64/1,310,815.24 = 520,167.36/x
  3. Step 3: Cross multiply
    949,894.64x = 1,310,815.24 × 520,167.36
  4. Step 4: Simplify right side
    949,894.64x = 681,843,302,838.57
  5. Step 5: Solve for x
    x = 681,843,302,838.57/949,894.64
  6. Step 6: Final answer
    x = 717,809.40

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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.